Home / 492,700,425-738,956,450.66-147,654,051.97

Finding the Fourth Proportional to 492,700,425, 738,956,450.66 and 147,654,051.97

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Solution

The fourth proportional to 492,700,425, 738,956,450.66 and 147,654,051.97 is: 221,452,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,700,425 : 738,956,450.66 = 147,654,051.97 : x
  2. Step 2: Convert to fraction form
    492,700,425/738,956,450.66 = 147,654,051.97/x
  3. Step 3: Cross multiply
    492,700,425x = 738,956,450.66 × 147,654,051.97
  4. Step 4: Simplify right side
    492,700,425x = 109,109,914,169,318,368
  5. Step 5: Solve for x
    x = 109,109,914,169,318,368/492,700,425
  6. Step 6: Final answer
    x = 221,452,851.74

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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.