Home / 539,022,966.37-743,853,935.15-291,504,320.62

Finding the Fourth Proportional to 539,022,966.37, 743,853,935.15 and 291,504,320.62

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Solution

The fourth proportional to 539,022,966.37, 743,853,935.15 and 291,504,320.62 is: 402,277,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,966.37 : 743,853,935.15 = 291,504,320.62 : x
  2. Step 2: Convert to fraction form
    539,022,966.37/743,853,935.15 = 291,504,320.62/x
  3. Step 3: Cross multiply
    539,022,966.37x = 743,853,935.15 × 291,504,320.62
  4. Step 4: Simplify right side
    539,022,966.37x = 216,836,636,006,414,272
  5. Step 5: Solve for x
    x = 216,836,636,006,414,272/539,022,966.37
  6. Step 6: Final answer
    x = 402,277,174.69

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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.