Home / 492,287,175.40-738,432,013.78-201,154,298.55

Finding the Fourth Proportional to 492,287,175.40, 738,432,013.78 and 201,154,298.55

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Solution

The fourth proportional to 492,287,175.40, 738,432,013.78 and 201,154,298.55 is: 301,731,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,287,175.40 : 738,432,013.78 = 201,154,298.55 : x
  2. Step 2: Convert to fraction form
    492,287,175.40/738,432,013.78 = 201,154,298.55/x
  3. Step 3: Cross multiply
    492,287,175.40x = 738,432,013.78 × 201,154,298.55
  4. Step 4: Simplify right side
    492,287,175.40x = 148,538,773,755,087,648
  5. Step 5: Solve for x
    x = 148,538,773,755,087,648/492,287,175.40
  6. Step 6: Final answer
    x = 301,731,958.86

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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.