Home / 492,700,428.87-738,956,456.46-147,654,055.86

Finding the Fourth Proportional to 492,700,428.87, 738,956,456.46 and 147,654,055.86

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Solution

The fourth proportional to 492,700,428.87, 738,956,456.46 and 147,654,055.86 is: 221,452,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,700,428.87 : 738,956,456.46 = 147,654,055.86 : x
  2. Step 2: Convert to fraction form
    492,700,428.87/738,956,456.46 = 147,654,055.86/x
  3. Step 3: Cross multiply
    492,700,428.87x = 738,956,456.46 × 147,654,055.86
  4. Step 4: Simplify right side
    492,700,428.87x = 109,109,917,900,252,512
  5. Step 5: Solve for x
    x = 109,109,917,900,252,512/492,700,428.87
  6. Step 6: Final answer
    x = 221,452,857.57

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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.