Home / 439,770,711.90-659,730,717.45-133,060,388.70

Finding the Fourth Proportional to 439,770,711.90, 659,730,717.45 and 133,060,388.70

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Solution

The fourth proportional to 439,770,711.90, 659,730,717.45 and 133,060,388.70 is: 199,613,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,770,711.90 : 659,730,717.45 = 133,060,388.70 : x
  2. Step 2: Convert to fraction form
    439,770,711.90/659,730,717.45 = 133,060,388.70/x
  3. Step 3: Cross multiply
    439,770,711.90x = 659,730,717.45 × 133,060,388.70
  4. Step 4: Simplify right side
    439,770,711.90x = 87,784,025,701,226,880
  5. Step 5: Solve for x
    x = 87,784,025,701,226,880/439,770,711.90
  6. Step 6: Final answer
    x = 199,613,169.60

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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.