Home / 647,041,104.60-970,561,656.90-493,986,096.60

Finding the Fourth Proportional to 647,041,104.60, 970,561,656.90 and 493,986,096.60

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Solution

The fourth proportional to 647,041,104.60, 970,561,656.90 and 493,986,096.60 is: 740,979,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,041,104.60 : 970,561,656.90 = 493,986,096.60 : x
  2. Step 2: Convert to fraction form
    647,041,104.60/970,561,656.90 = 493,986,096.60/x
  3. Step 3: Cross multiply
    647,041,104.60x = 970,561,656.90 × 493,986,096.60
  4. Step 4: Simplify right side
    647,041,104.60x = 479,443,964,401,659,456
  5. Step 5: Solve for x
    x = 479,443,964,401,659,456/647,041,104.60
  6. Step 6: Final answer
    x = 740,979,144.90

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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.