Home / 545,417,757.93-752,654,760.15-307,257,394.53

Finding the Fourth Proportional to 545,417,757.93, 752,654,760.15 and 307,257,394.53

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Solution

The fourth proportional to 545,417,757.93, 752,654,760.15 and 307,257,394.53 is: 424,002,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,417,757.93 : 752,654,760.15 = 307,257,394.53 : x
  2. Step 2: Convert to fraction form
    545,417,757.93/752,654,760.15 = 307,257,394.53/x
  3. Step 3: Cross multiply
    545,417,757.93x = 752,654,760.15 × 307,257,394.53
  4. Step 4: Simplify right side
    545,417,757.93x = 231,258,740,584,291,040
  5. Step 5: Solve for x
    x = 231,258,740,584,291,040/545,417,757.93
  6. Step 6: Final answer
    x = 424,002,954.11

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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.