Home / 1,055,247,251.76-1,582,884,348.64-278,886,204.88

Finding the Fourth Proportional to 1,055,247,251.76, 1,582,884,348.64 and 278,886,204.88

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Solution

The fourth proportional to 1,055,247,251.76, 1,582,884,348.64 and 278,886,204.88 is: 418,332,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,251.76 : 1,582,884,348.64 = 278,886,204.88 : x
  2. Step 2: Convert to fraction form
    1,055,247,251.76/1,582,884,348.64 = 278,886,204.88/x
  3. Step 3: Cross multiply
    1,055,247,251.76x = 1,582,884,348.64 × 278,886,204.88
  4. Step 4: Simplify right side
    1,055,247,251.76x = 441,444,608,756,160,384
  5. Step 5: Solve for x
    x = 441,444,608,756,160,384/1,055,247,251.76
  6. Step 6: Final answer
    x = 418,332,867.51

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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.