Home / 12,576,385,771.20-18,864,578,656.80-9,674,009,323.20

Finding the Fourth Proportional to 12,576,385,771.20, 18,864,578,656.80 and 9,674,009,323.20

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Solution

The fourth proportional to 12,576,385,771.20, 18,864,578,656.80 and 9,674,009,323.20 is: 14,511,013,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,385,771.20 : 18,864,578,656.80 = 9,674,009,323.20 : x
  2. Step 2: Convert to fraction form
    12,576,385,771.20/18,864,578,656.80 = 9,674,009,323.20/x
  3. Step 3: Cross multiply
    12,576,385,771.20x = 18,864,578,656.80 × 9,674,009,323.20
  4. Step 4: Simplify right side
    12,576,385,771.20x = 182,496,109,804,122,931,200
  5. Step 5: Solve for x
    x = 182,496,109,804,122,931,200/12,576,385,771.20
  6. Step 6: Final answer
    x = 14,511,013,984.80

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Double scale
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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.