Home / 1,055,247,249.38-1,582,884,345.08-278,886,202.50

Finding the Fourth Proportional to 1,055,247,249.38, 1,582,884,345.08 and 278,886,202.50

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Solution

The fourth proportional to 1,055,247,249.38, 1,582,884,345.08 and 278,886,202.50 is: 418,332,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,249.38 : 1,582,884,345.08 = 278,886,202.50 : x
  2. Step 2: Convert to fraction form
    1,055,247,249.38/1,582,884,345.08 = 278,886,202.50/x
  3. Step 3: Cross multiply
    1,055,247,249.38x = 1,582,884,345.08 × 278,886,202.50
  4. Step 4: Simplify right side
    1,055,247,249.38x = 441,444,603,996,060,736
  5. Step 5: Solve for x
    x = 441,444,603,996,060,736/1,055,247,249.38
  6. Step 6: Final answer
    x = 418,332,863.94

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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.