Home / 541,807,639.38-813,051,581.28-506,945,109.78

Finding the Fourth Proportional to 541,807,639.38, 813,051,581.28 and 506,945,109.78

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Solution

The fourth proportional to 541,807,639.38, 813,051,581.28 and 506,945,109.78 is: 760,735,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,807,639.38 : 813,051,581.28 = 506,945,109.78 : x
  2. Step 2: Convert to fraction form
    541,807,639.38/813,051,581.28 = 506,945,109.78/x
  3. Step 3: Cross multiply
    541,807,639.38x = 813,051,581.28 × 506,945,109.78
  4. Step 4: Simplify right side
    541,807,639.38x = 412,172,523,128,792,128
  5. Step 5: Solve for x
    x = 412,172,523,128,792,128/541,807,639.38
  6. Step 6: Final answer
    x = 760,735,901.77

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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.