Home / 12,589,344,006.10-18,884,016,009.15-3,864,074,809.30

Finding the Fourth Proportional to 12,589,344,006.10, 18,884,016,009.15 and 3,864,074,809.30

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Solution

The fourth proportional to 12,589,344,006.10, 18,884,016,009.15 and 3,864,074,809.30 is: 5,796,112,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,344,006.10 : 18,884,016,009.15 = 3,864,074,809.30 : x
  2. Step 2: Convert to fraction form
    12,589,344,006.10/18,884,016,009.15 = 3,864,074,809.30/x
  3. Step 3: Cross multiply
    12,589,344,006.10x = 18,884,016,009.15 × 3,864,074,809.30
  4. Step 4: Simplify right side
    12,589,344,006.10x = 72,969,250,559,374,442,496
  5. Step 5: Solve for x
    x = 72,969,250,559,374,442,496/12,589,344,006.10
  6. Step 6: Final answer
    x = 5,796,112,213.95

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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.