Home / 440,662,098.96-660,850,446.69-145,490,910.21

Finding the Fourth Proportional to 440,662,098.96, 660,850,446.69 and 145,490,910.21

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Solution

The fourth proportional to 440,662,098.96, 660,850,446.69 and 145,490,910.21 is: 218,189,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,662,098.96 : 660,850,446.69 = 145,490,910.21 : x
  2. Step 2: Convert to fraction form
    440,662,098.96/660,850,446.69 = 145,490,910.21/x
  3. Step 3: Cross multiply
    440,662,098.96x = 660,850,446.69 × 145,490,910.21
  4. Step 4: Simplify right side
    440,662,098.96x = 96,147,733,001,613,200
  5. Step 5: Solve for x
    x = 96,147,733,001,613,200/440,662,098.96
  6. Step 6: Final answer
    x = 218,189,250.29

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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.