Home / 492,815,319.30-739,174,937.85-129,309,675.30

Finding the Fourth Proportional to 492,815,319.30, 739,174,937.85 and 129,309,675.30

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Solution

The fourth proportional to 492,815,319.30, 739,174,937.85 and 129,309,675.30 is: 193,951,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,815,319.30 : 739,174,937.85 = 129,309,675.30 : x
  2. Step 2: Convert to fraction form
    492,815,319.30/739,174,937.85 = 129,309,675.30/x
  3. Step 3: Cross multiply
    492,815,319.30x = 739,174,937.85 × 129,309,675.30
  4. Step 4: Simplify right side
    492,815,319.30x = 95,582,471,203,281,184
  5. Step 5: Solve for x
    x = 95,582,471,203,281,184/492,815,319.30
  6. Step 6: Final answer
    x = 193,951,907.46

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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.