Home / 18,191,508,003.40-27,287,262,005.10-8,870,458,016.20

Finding the Fourth Proportional to 18,191,508,003.40, 27,287,262,005.10 and 8,870,458,016.20

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Solution

The fourth proportional to 18,191,508,003.40, 27,287,262,005.10 and 8,870,458,016.20 is: 13,305,687,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,508,003.40 : 27,287,262,005.10 = 8,870,458,016.20 : x
  2. Step 2: Convert to fraction form
    18,191,508,003.40/27,287,262,005.10 = 8,870,458,016.20/x
  3. Step 3: Cross multiply
    18,191,508,003.40x = 27,287,262,005.10 × 8,870,458,016.20
  4. Step 4: Simplify right side
    18,191,508,003.40x = 242,050,511,993,288,982,528
  5. Step 5: Solve for x
    x = 242,050,511,993,288,982,528/18,191,508,003.40
  6. Step 6: Final answer
    x = 13,305,687,024.30

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1.5x scale

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.