Home / 9,912,338,881.12-14,864,145,191.76-5,253,121,233.92

Finding the Fourth Proportional to 9,912,338,881.12, 14,864,145,191.76 and 5,253,121,233.92

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Solution

The fourth proportional to 9,912,338,881.12, 14,864,145,191.76 and 5,253,121,233.92 is: 7,877,369,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,338,881.12 : 14,864,145,191.76 = 5,253,121,233.92 : x
  2. Step 2: Convert to fraction form
    9,912,338,881.12/14,864,145,191.76 = 5,253,121,233.92/x
  3. Step 3: Cross multiply
    9,912,338,881.12x = 14,864,145,191.76 × 5,253,121,233.92
  4. Step 4: Simplify right side
    9,912,338,881.12x = 78,083,156,730,904,330,240
  5. Step 5: Solve for x
    x = 78,083,156,730,904,330,240/9,912,338,881.12
  6. Step 6: Final answer
    x = 7,877,369,576.18

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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.