Home / 1,055,247,247.38-1,582,884,342.08-278,886,200.50

Finding the Fourth Proportional to 1,055,247,247.38, 1,582,884,342.08 and 278,886,200.50

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Solution

The fourth proportional to 1,055,247,247.38, 1,582,884,342.08 and 278,886,200.50 is: 418,332,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,247.38 : 1,582,884,342.08 = 278,886,200.50 : x
  2. Step 2: Convert to fraction form
    1,055,247,247.38/1,582,884,342.08 = 278,886,200.50/x
  3. Step 3: Cross multiply
    1,055,247,247.38x = 1,582,884,342.08 × 278,886,200.50
  4. Step 4: Simplify right side
    1,055,247,247.38x = 441,444,599,993,633,472
  5. Step 5: Solve for x
    x = 441,444,599,993,633,472/1,055,247,247.38
  6. Step 6: Final answer
    x = 418,332,860.94

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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.