Home / 854,516,350.17-1,179,281,984.95-478,169,652.29

Finding the Fourth Proportional to 854,516,350.17, 1,179,281,984.95 and 478,169,652.29

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Solution

The fourth proportional to 854,516,350.17, 1,179,281,984.95 and 478,169,652.29 is: 659,901,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,516,350.17 : 1,179,281,984.95 = 478,169,652.29 : x
  2. Step 2: Convert to fraction form
    854,516,350.17/1,179,281,984.95 = 478,169,652.29/x
  3. Step 3: Cross multiply
    854,516,350.17x = 1,179,281,984.95 × 478,169,652.29
  4. Step 4: Simplify right side
    854,516,350.17x = 563,896,856,696,755,264
  5. Step 5: Solve for x
    x = 563,896,856,696,755,264/854,516,350.17
  6. Step 6: Final answer
    x = 659,901,775.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.