Home / 12,942,264,186.45-19,396,234,540.76-6,646,439,073.69

Finding the Fourth Proportional to 12,942,264,186.45, 19,396,234,540.76 and 6,646,439,073.69

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Solution

The fourth proportional to 12,942,264,186.45, 19,396,234,540.76 and 6,646,439,073.69 is: 9,960,845,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,264,186.45 : 19,396,234,540.76 = 6,646,439,073.69 : x
  2. Step 2: Convert to fraction form
    12,942,264,186.45/19,396,234,540.76 = 6,646,439,073.69/x
  3. Step 3: Cross multiply
    12,942,264,186.45x = 19,396,234,540.76 × 6,646,439,073.69
  4. Step 4: Simplify right side
    12,942,264,186.45x = 128,915,891,134,129,651,712
  5. Step 5: Solve for x
    x = 128,915,891,134,129,651,712/12,942,264,186.45
  6. Step 6: Final answer
    x = 9,960,845,280.00

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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.