Home / 439,872,863.80-659,641,334.10-133,063,007.80

Finding the Fourth Proportional to 439,872,863.80, 659,641,334.10 and 133,063,007.80

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Solution

The fourth proportional to 439,872,863.80, 659,641,334.10 and 133,063,007.80 is: 199,543,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,872,863.80 : 659,641,334.10 = 133,063,007.80 : x
  2. Step 2: Convert to fraction form
    439,872,863.80/659,641,334.10 = 133,063,007.80/x
  3. Step 3: Cross multiply
    439,872,863.80x = 659,641,334.10 × 133,063,007.80
  4. Step 4: Simplify right side
    439,872,863.80x = 87,773,859,984,550,704
  5. Step 5: Solve for x
    x = 87,773,859,984,550,704/439,872,863.80
  6. Step 6: Final answer
    x = 199,543,702.76

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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.