Home / 506,494,719.29-698,984,557.57-280,433,701.02

Finding the Fourth Proportional to 506,494,719.29, 698,984,557.57 and 280,433,701.02

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Solution

The fourth proportional to 506,494,719.29, 698,984,557.57 and 280,433,701.02 is: 387,010,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,494,719.29 : 698,984,557.57 = 280,433,701.02 : x
  2. Step 2: Convert to fraction form
    506,494,719.29/698,984,557.57 = 280,433,701.02/x
  3. Step 3: Cross multiply
    506,494,719.29x = 698,984,557.57 × 280,433,701.02
  4. Step 4: Simplify right side
    506,494,719.29x = 196,018,826,435,182,368
  5. Step 5: Solve for x
    x = 196,018,826,435,182,368/506,494,719.29
  6. Step 6: Final answer
    x = 387,010,602.42

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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.