Home / 439,928,104.31-660,053,083.42-413,938,646.52

Finding the Fourth Proportional to 439,928,104.31, 660,053,083.42 and 413,938,646.52

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Solution

The fourth proportional to 439,928,104.31, 660,053,083.42 and 413,938,646.52 is: 621,059,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,928,104.31 : 660,053,083.42 = 413,938,646.52 : x
  2. Step 2: Convert to fraction form
    439,928,104.31/660,053,083.42 = 413,938,646.52/x
  3. Step 3: Cross multiply
    439,928,104.31x = 660,053,083.42 × 413,938,646.52
  4. Step 4: Simplify right side
    439,928,104.31x = 273,221,479,976,857,472
  5. Step 5: Solve for x
    x = 273,221,479,976,857,472/439,928,104.31
  6. Step 6: Final answer
    x = 621,059,389.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.