Home / 481,004,060.20-721,506,090.30-412,129,306.60

Finding the Fourth Proportional to 481,004,060.20, 721,506,090.30 and 412,129,306.60

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Solution

The fourth proportional to 481,004,060.20, 721,506,090.30 and 412,129,306.60 is: 618,193,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,004,060.20 : 721,506,090.30 = 412,129,306.60 : x
  2. Step 2: Convert to fraction form
    481,004,060.20/721,506,090.30 = 412,129,306.60/x
  3. Step 3: Cross multiply
    481,004,060.20x = 721,506,090.30 × 412,129,306.60
  4. Step 4: Simplify right side
    481,004,060.20x = 297,353,804,703,016,000
  5. Step 5: Solve for x
    x = 297,353,804,703,016,000/481,004,060.20
  6. Step 6: Final answer
    x = 618,193,959.90

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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.