Home / 545,417,760.43-752,654,763.61-307,257,397.03

Finding the Fourth Proportional to 545,417,760.43, 752,654,763.61 and 307,257,397.03

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Solution

The fourth proportional to 545,417,760.43, 752,654,763.61 and 307,257,397.03 is: 424,002,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,417,760.43 : 752,654,763.61 = 307,257,397.03 : x
  2. Step 2: Convert to fraction form
    545,417,760.43/752,654,763.61 = 307,257,397.03/x
  3. Step 3: Cross multiply
    545,417,760.43x = 752,654,763.61 × 307,257,397.03
  4. Step 4: Simplify right side
    545,417,760.43x = 231,258,743,529,038,560
  5. Step 5: Solve for x
    x = 231,258,743,529,038,560/545,417,760.43
  6. Step 6: Final answer
    x = 424,002,957.56

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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.