Home / 391,796,274.96-587,512,806.60-146,086,936.92

Finding the Fourth Proportional to 391,796,274.96, 587,512,806.60 and 146,086,936.92

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Solution

The fourth proportional to 391,796,274.96, 587,512,806.60 and 146,086,936.92 is: 219,062,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,796,274.96 : 587,512,806.60 = 146,086,936.92 : x
  2. Step 2: Convert to fraction form
    391,796,274.96/587,512,806.60 = 146,086,936.92/x
  3. Step 3: Cross multiply
    391,796,274.96x = 587,512,806.60 × 146,086,936.92
  4. Step 4: Simplify right side
    391,796,274.96x = 85,827,946,317,466,352
  5. Step 5: Solve for x
    x = 85,827,946,317,466,352/391,796,274.96
  6. Step 6: Final answer
    x = 219,062,691.00

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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.