Home / 492,815,271.30-739,174,865.85-129,309,627.30

Finding the Fourth Proportional to 492,815,271.30, 739,174,865.85 and 129,309,627.30

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Solution

The fourth proportional to 492,815,271.30, 739,174,865.85 and 129,309,627.30 is: 193,951,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,815,271.30 : 739,174,865.85 = 129,309,627.30 : x
  2. Step 2: Convert to fraction form
    492,815,271.30/739,174,865.85 = 129,309,627.30/x
  3. Step 3: Cross multiply
    492,815,271.30x = 739,174,865.85 × 129,309,627.30
  4. Step 4: Simplify right side
    492,815,271.30x = 95,582,426,412,590,992
  5. Step 5: Solve for x
    x = 95,582,426,412,590,992/492,815,271.30
  6. Step 6: Final answer
    x = 193,951,835.46

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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.