Home / 39,806,344,731.25-59,717,902,944.21-12,912,812,613.46

Finding the Fourth Proportional to 39,806,344,731.25, 59,717,902,944.21 and 12,912,812,613.46

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Solution

The fourth proportional to 39,806,344,731.25, 59,717,902,944.21 and 12,912,812,613.46 is: 19,371,939,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806,344,731.25 : 59,717,902,944.21 = 12,912,812,613.46 : x
  2. Step 2: Convert to fraction form
    39,806,344,731.25/59,717,902,944.21 = 12,912,812,613.46/x
  3. Step 3: Cross multiply
    39,806,344,731.25x = 59,717,902,944.21 × 12,912,812,613.46
  4. Step 4: Simplify right side
    39,806,344,731.25x = 771,126,090,387,374,866,432
  5. Step 5: Solve for x
    x = 771,126,090,387,374,866,432/39,806,344,731.25
  6. Step 6: Final answer
    x = 19,371,939,212.04

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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.