Home / 39,806,344,744.62-59,717,902,964.40-12,912,812,627.28

Finding the Fourth Proportional to 39,806,344,744.62, 59,717,902,964.40 and 12,912,812,627.28

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Solution

The fourth proportional to 39,806,344,744.62, 59,717,902,964.40 and 12,912,812,627.28 is: 19,371,939,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806,344,744.62 : 59,717,902,964.40 = 12,912,812,627.28 : x
  2. Step 2: Convert to fraction form
    39,806,344,744.62/59,717,902,964.40 = 12,912,812,627.28/x
  3. Step 3: Cross multiply
    39,806,344,744.62x = 59,717,902,964.40 × 12,912,812,627.28
  4. Step 4: Simplify right side
    39,806,344,744.62x = 771,126,091,473,386,078,208
  5. Step 5: Solve for x
    x = 771,126,091,473,386,078,208/39,806,344,744.62
  6. Step 6: Final answer
    x = 19,371,939,232.82

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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.