Home / 673,612,982.10-1,010,419,473.15-328,787,817.30

Finding the Fourth Proportional to 673,612,982.10, 1,010,419,473.15 and 328,787,817.30

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Solution

The fourth proportional to 673,612,982.10, 1,010,419,473.15 and 328,787,817.30 is: 493,181,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,612,982.10 : 1,010,419,473.15 = 328,787,817.30 : x
  2. Step 2: Convert to fraction form
    673,612,982.10/1,010,419,473.15 = 328,787,817.30/x
  3. Step 3: Cross multiply
    673,612,982.10x = 1,010,419,473.15 × 328,787,817.30
  4. Step 4: Simplify right side
    673,612,982.10x = 332,213,613,134,404,480
  5. Step 5: Solve for x
    x = 332,213,613,134,404,480/673,612,982.10
  6. Step 6: Final answer
    x = 493,181,725.95

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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.