Home / 579,489,344.79-869,591,549.76-268,539,001.53

Finding the Fourth Proportional to 579,489,344.79, 869,591,549.76 and 268,539,001.53

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Solution

The fourth proportional to 579,489,344.79, 869,591,549.76 and 268,539,001.53 is: 402,974,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,489,344.79 : 869,591,549.76 = 268,539,001.53 : x
  2. Step 2: Convert to fraction form
    579,489,344.79/869,591,549.76 = 268,539,001.53/x
  3. Step 3: Cross multiply
    579,489,344.79x = 869,591,549.76 × 268,539,001.53
  4. Step 4: Simplify right side
    579,489,344.79x = 233,519,246,511,475,680
  5. Step 5: Solve for x
    x = 233,519,246,511,475,680/579,489,344.79
  6. Step 6: Final answer
    x = 402,974,185.14

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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.