Home / 12,127,952,704.05-18,191,929,056.08-8,577,076,518.45

Finding the Fourth Proportional to 12,127,952,704.05, 18,191,929,056.08 and 8,577,076,518.45

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Solution

The fourth proportional to 12,127,952,704.05, 18,191,929,056.08 and 8,577,076,518.45 is: 12,865,614,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,952,704.05 : 18,191,929,056.08 = 8,577,076,518.45 : x
  2. Step 2: Convert to fraction form
    12,127,952,704.05/18,191,929,056.08 = 8,577,076,518.45/x
  3. Step 3: Cross multiply
    12,127,952,704.05x = 18,191,929,056.08 × 8,577,076,518.45
  4. Step 4: Simplify right side
    12,127,952,704.05x = 156,033,567,532,169,166,848
  5. Step 5: Solve for x
    x = 156,033,567,532,169,166,848/12,127,952,704.05
  6. Step 6: Final answer
    x = 12,865,614,777.68

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Double scale
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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.