Home / 439,767,590.40-659,726,035.20-133,057,267.20

Finding the Fourth Proportional to 439,767,590.40, 659,726,035.20 and 133,057,267.20

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Solution

The fourth proportional to 439,767,590.40, 659,726,035.20 and 133,057,267.20 is: 199,608,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,767,590.40 : 659,726,035.20 = 133,057,267.20 : x
  2. Step 2: Convert to fraction form
    439,767,590.40/659,726,035.20 = 133,057,267.20/x
  3. Step 3: Cross multiply
    439,767,590.40x = 659,726,035.20 × 133,057,267.20
  4. Step 4: Simplify right side
    439,767,590.40x = 87,781,343,344,403,008
  5. Step 5: Solve for x
    x = 87,781,343,344,403,008/439,767,590.40
  6. Step 6: Final answer
    x = 199,608,486.98

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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.