Home / 439,770,709.40-659,730,713.70-133,060,386.20

Finding the Fourth Proportional to 439,770,709.40, 659,730,713.70 and 133,060,386.20

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Solution

The fourth proportional to 439,770,709.40, 659,730,713.70 and 133,060,386.20 is: 199,613,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,770,709.40 : 659,730,713.70 = 133,060,386.20 : x
  2. Step 2: Convert to fraction form
    439,770,709.40/659,730,713.70 = 133,060,386.20/x
  3. Step 3: Cross multiply
    439,770,709.40x = 659,730,713.70 × 133,060,386.20
  4. Step 4: Simplify right side
    439,770,709.40x = 87,784,023,552,923,632
  5. Step 5: Solve for x
    x = 87,784,023,552,923,632/439,770,709.40
  6. Step 6: Final answer
    x = 199,613,165.85

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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.