Home / 9,686,223,115.20-14,529,334,672.80-8,461,783,051.20

Finding the Fourth Proportional to 9,686,223,115.20, 14,529,334,672.80 and 8,461,783,051.20

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Solution

The fourth proportional to 9,686,223,115.20, 14,529,334,672.80 and 8,461,783,051.20 is: 12,692,674,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,223,115.20 : 14,529,334,672.80 = 8,461,783,051.20 : x
  2. Step 2: Convert to fraction form
    9,686,223,115.20/14,529,334,672.80 = 8,461,783,051.20/x
  3. Step 3: Cross multiply
    9,686,223,115.20x = 14,529,334,672.80 × 8,461,783,051.20
  4. Step 4: Simplify right side
    9,686,223,115.20x = 122,944,077,879,511,531,520
  5. Step 5: Solve for x
    x = 122,944,077,879,511,531,520/9,686,223,115.20
  6. Step 6: Final answer
    x = 12,692,674,576.80

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Half scale
Find fourth proportional to 19,372,446,230.40, 29,058,669,345.60 and 16,923,566,102.40
Double scale
Find fourth proportional to 9,686,223,116.20, 14,529,334,674.30 and 8,461,783,052.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.