Home / 18,500,990,579.27-27,748,205,428.17-8,414,340,899.96

Finding the Fourth Proportional to 18,500,990,579.27, 27,748,205,428.17 and 8,414,340,899.96

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Solution

The fourth proportional to 18,500,990,579.27, 27,748,205,428.17 and 8,414,340,899.96 is: 12,620,019,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500,990,579.27 : 27,748,205,428.17 = 8,414,340,899.96 : x
  2. Step 2: Convert to fraction form
    18,500,990,579.27/27,748,205,428.17 = 8,414,340,899.96/x
  3. Step 3: Cross multiply
    18,500,990,579.27x = 27,748,205,428.17 × 8,414,340,899.96
  4. Step 4: Simplify right side
    18,500,990,579.27x = 233,482,859,834,604,158,976
  5. Step 5: Solve for x
    x = 233,482,859,834,604,158,976/18,500,990,579.27
  6. Step 6: Final answer
    x = 12,620,019,389.46

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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.