Home / 439,928,104.56-660,053,083.79-413,938,646.77

Finding the Fourth Proportional to 439,928,104.56, 660,053,083.79 and 413,938,646.77

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Solution

The fourth proportional to 439,928,104.56, 660,053,083.79 and 413,938,646.77 is: 621,059,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,928,104.56 : 660,053,083.79 = 413,938,646.77 : x
  2. Step 2: Convert to fraction form
    439,928,104.56/660,053,083.79 = 413,938,646.77/x
  3. Step 3: Cross multiply
    439,928,104.56x = 660,053,083.79 × 413,938,646.77
  4. Step 4: Simplify right side
    439,928,104.56x = 273,221,480,297,097,728
  5. Step 5: Solve for x
    x = 273,221,480,297,097,728/439,928,104.56
  6. Step 6: Final answer
    x = 621,059,390.08

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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.