Home / 531,440,078.60-797,286,089.10-272,695,233.80

Finding the Fourth Proportional to 531,440,078.60, 797,286,089.10 and 272,695,233.80

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Solution

The fourth proportional to 531,440,078.60, 797,286,089.10 and 272,695,233.80 is: 409,107,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,440,078.60 : 797,286,089.10 = 272,695,233.80 : x
  2. Step 2: Convert to fraction form
    531,440,078.60/797,286,089.10 = 272,695,233.80/x
  3. Step 3: Cross multiply
    531,440,078.60x = 797,286,089.10 × 272,695,233.80
  4. Step 4: Simplify right side
    531,440,078.60x = 217,416,116,472,612,160
  5. Step 5: Solve for x
    x = 217,416,116,472,612,160/531,440,078.60
  6. Step 6: Final answer
    x = 409,107,489.68

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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.