Home / 1,055,247,248.38-1,582,884,343.58-278,886,201.50

Finding the Fourth Proportional to 1,055,247,248.38, 1,582,884,343.58 and 278,886,201.50

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Solution

The fourth proportional to 1,055,247,248.38, 1,582,884,343.58 and 278,886,201.50 is: 418,332,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,248.38 : 1,582,884,343.58 = 278,886,201.50 : x
  2. Step 2: Convert to fraction form
    1,055,247,248.38/1,582,884,343.58 = 278,886,201.50/x
  3. Step 3: Cross multiply
    1,055,247,248.38x = 1,582,884,343.58 × 278,886,201.50
  4. Step 4: Simplify right side
    1,055,247,248.38x = 441,444,601,994,847,104
  5. Step 5: Solve for x
    x = 441,444,601,994,847,104/1,055,247,248.38
  6. Step 6: Final answer
    x = 418,332,862.44

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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.