Home / 780,016,478.40-1,170,004,124.16-227,471,402.88

Finding the Fourth Proportional to 780,016,478.40, 1,170,004,124.16 and 227,471,402.88

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Solution

The fourth proportional to 780,016,478.40, 1,170,004,124.16 and 227,471,402.88 is: 341,201,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,016,478.40 : 1,170,004,124.16 = 227,471,402.88 : x
  2. Step 2: Convert to fraction form
    780,016,478.40/1,170,004,124.16 = 227,471,402.88/x
  3. Step 3: Cross multiply
    780,016,478.40x = 1,170,004,124.16 × 227,471,402.88
  4. Step 4: Simplify right side
    780,016,478.40x = 266,142,479,498,060,928
  5. Step 5: Solve for x
    x = 266,142,479,498,060,928/780,016,478.40
  6. Step 6: Final answer
    x = 341,201,098.78

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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.