Home / 439,398,907.20-659,098,360.80-337,676,385.60

Finding the Fourth Proportional to 439,398,907.20, 659,098,360.80 and 337,676,385.60

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Solution

The fourth proportional to 439,398,907.20, 659,098,360.80 and 337,676,385.60 is: 506,514,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,398,907.20 : 659,098,360.80 = 337,676,385.60 : x
  2. Step 2: Convert to fraction form
    439,398,907.20/659,098,360.80 = 337,676,385.60/x
  3. Step 3: Cross multiply
    439,398,907.20x = 659,098,360.80 × 337,676,385.60
  4. Step 4: Simplify right side
    439,398,907.20x = 222,561,952,229,828,736
  5. Step 5: Solve for x
    x = 222,561,952,229,828,736/439,398,907.20
  6. Step 6: Final answer
    x = 506,514,578.40

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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.