Home / 766,215,476.60-1,057,377,316.93-413,791,433.14

Finding the Fourth Proportional to 766,215,476.60, 1,057,377,316.93 and 413,791,433.14

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Solution

The fourth proportional to 766,215,476.60, 1,057,377,316.93 and 413,791,433.14 is: 571,032,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,476.60 : 1,057,377,316.93 = 413,791,433.14 : x
  2. Step 2: Convert to fraction form
    766,215,476.60/1,057,377,316.93 = 413,791,433.14/x
  3. Step 3: Cross multiply
    766,215,476.60x = 1,057,377,316.93 × 413,791,433.14
  4. Step 4: Simplify right side
    766,215,476.60x = 437,533,675,342,192,640
  5. Step 5: Solve for x
    x = 437,533,675,342,192,640/766,215,476.60
  6. Step 6: Final answer
    x = 571,032,155.71

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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.