Home / 545,417,761.44-752,654,764.98-307,257,398.04

Finding the Fourth Proportional to 545,417,761.44, 752,654,764.98 and 307,257,398.04

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Solution

The fourth proportional to 545,417,761.44, 752,654,764.98 and 307,257,398.04 is: 424,002,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,417,761.44 : 752,654,764.98 = 307,257,398.04 : x
  2. Step 2: Convert to fraction form
    545,417,761.44/752,654,764.98 = 307,257,398.04/x
  3. Step 3: Cross multiply
    545,417,761.44x = 752,654,764.98 × 307,257,398.04
  4. Step 4: Simplify right side
    545,417,761.44x = 231,258,744,710,162,528
  5. Step 5: Solve for x
    x = 231,258,744,710,162,528/545,417,761.44
  6. Step 6: Final answer
    x = 424,002,958.94

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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.