Home / 798,318,169.67-1,101,667,469.05-445,899,172.25

Finding the Fourth Proportional to 798,318,169.67, 1,101,667,469.05 and 445,899,172.25

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Solution

The fourth proportional to 798,318,169.67, 1,101,667,469.05 and 445,899,172.25 is: 615,334,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,318,169.67 : 1,101,667,469.05 = 445,899,172.25 : x
  2. Step 2: Convert to fraction form
    798,318,169.67/1,101,667,469.05 = 445,899,172.25/x
  3. Step 3: Cross multiply
    798,318,169.67x = 1,101,667,469.05 × 445,899,172.25
  4. Step 4: Simplify right side
    798,318,169.67x = 491,232,612,547,436,672
  5. Step 5: Solve for x
    x = 491,232,612,547,436,672/798,318,169.67
  6. Step 6: Final answer
    x = 615,334,375.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.