Home / 432,425,917.20-648,674,276.08-125,717,654.64

Finding the Fourth Proportional to 432,425,917.20, 648,674,276.08 and 125,717,654.64

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Solution

The fourth proportional to 432,425,917.20, 648,674,276.08 and 125,717,654.64 is: 188,586,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,425,917.20 : 648,674,276.08 = 125,717,654.64 : x
  2. Step 2: Convert to fraction form
    432,425,917.20/648,674,276.08 = 125,717,654.64/x
  3. Step 3: Cross multiply
    432,425,917.20x = 648,674,276.08 × 125,717,654.64
  4. Step 4: Simplify right side
    432,425,917.20x = 81,549,808,614,077,456
  5. Step 5: Solve for x
    x = 81,549,808,614,077,456/432,425,917.20
  6. Step 6: Final answer
    x = 188,586,773.76

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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.