Home / 39,806,344,745.68-59,717,902,965.90-12,912,812,628.40

Finding the Fourth Proportional to 39,806,344,745.68, 59,717,902,965.90 and 12,912,812,628.40

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Solution

The fourth proportional to 39,806,344,745.68, 59,717,902,965.90 and 12,912,812,628.40 is: 19,371,939,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806,344,745.68 : 59,717,902,965.90 = 12,912,812,628.40 : x
  2. Step 2: Convert to fraction form
    39,806,344,745.68/59,717,902,965.90 = 12,912,812,628.40/x
  3. Step 3: Cross multiply
    39,806,344,745.68x = 59,717,902,965.90 × 12,912,812,628.40
  4. Step 4: Simplify right side
    39,806,344,745.68x = 771,126,091,559,639,318,528
  5. Step 5: Solve for x
    x = 771,126,091,559,639,318,528/39,806,344,745.68
  6. Step 6: Final answer
    x = 19,371,939,234.47

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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.