Home / 428,941,349.39-591,891,695.31-240,726,474.56

Finding the Fourth Proportional to 428,941,349.39, 591,891,695.31 and 240,726,474.56

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Solution

The fourth proportional to 428,941,349.39, 591,891,695.31 and 240,726,474.56 is: 332,175,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,941,349.39 : 591,891,695.31 = 240,726,474.56 : x
  2. Step 2: Convert to fraction form
    428,941,349.39/591,891,695.31 = 240,726,474.56/x
  3. Step 3: Cross multiply
    428,941,349.39x = 591,891,695.31 × 240,726,474.56
  4. Step 4: Simplify right side
    428,941,349.39x = 142,484,001,135,700,448
  5. Step 5: Solve for x
    x = 142,484,001,135,700,448/428,941,349.39
  6. Step 6: Final answer
    x = 332,175,952.11

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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.