Home / 1,055,247,248.07-1,582,884,343.11-278,886,201.19

Finding the Fourth Proportional to 1,055,247,248.07, 1,582,884,343.11 and 278,886,201.19

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Solution

The fourth proportional to 1,055,247,248.07, 1,582,884,343.11 and 278,886,201.19 is: 418,332,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,248.07 : 1,582,884,343.11 = 278,886,201.19 : x
  2. Step 2: Convert to fraction form
    1,055,247,248.07/1,582,884,343.11 = 278,886,201.19/x
  3. Step 3: Cross multiply
    1,055,247,248.07x = 1,582,884,343.11 × 278,886,201.19
  4. Step 4: Simplify right side
    1,055,247,248.07x = 441,444,601,370,151,104
  5. Step 5: Solve for x
    x = 441,444,601,370,151,104/1,055,247,248.07
  6. Step 6: Final answer
    x = 418,332,861.97

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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.