Home / 439,770,708.40-659,730,712.20-133,060,385.20

Finding the Fourth Proportional to 439,770,708.40, 659,730,712.20 and 133,060,385.20

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Solution

The fourth proportional to 439,770,708.40, 659,730,712.20 and 133,060,385.20 is: 199,613,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,770,708.40 : 659,730,712.20 = 133,060,385.20 : x
  2. Step 2: Convert to fraction form
    439,770,708.40/659,730,712.20 = 133,060,385.20/x
  3. Step 3: Cross multiply
    439,770,708.40x = 659,730,712.20 × 133,060,385.20
  4. Step 4: Simplify right side
    439,770,708.40x = 87,784,022,693,602,352
  5. Step 5: Solve for x
    x = 87,784,022,693,602,352/439,770,708.40
  6. Step 6: Final answer
    x = 199,613,164.35

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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.