Home / 12,531,311,904.70-18,799,109,332.89-5,166,296,521.66

Finding the Fourth Proportional to 12,531,311,904.70, 18,799,109,332.89 and 5,166,296,521.66

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Solution

The fourth proportional to 12,531,311,904.70, 18,799,109,332.89 and 5,166,296,521.66 is: 7,750,327,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,311,904.70 : 18,799,109,332.89 = 5,166,296,521.66 : x
  2. Step 2: Convert to fraction form
    12,531,311,904.70/18,799,109,332.89 = 5,166,296,521.66/x
  3. Step 3: Cross multiply
    12,531,311,904.70x = 18,799,109,332.89 × 5,166,296,521.66
  4. Step 4: Simplify right side
    12,531,311,904.70x = 97,121,773,156,815,650,816
  5. Step 5: Solve for x
    x = 97,121,773,156,815,650,816/12,531,311,904.70
  6. Step 6: Final answer
    x = 7,750,327,650.88

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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.