Home / 474,193,121.60-709,945,989.60-425,820,180.80

Finding the Fourth Proportional to 474,193,121.60, 709,945,989.60 and 425,820,180.80

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Solution

The fourth proportional to 474,193,121.60, 709,945,989.60 and 425,820,180.80 is: 637,523,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,193,121.60 : 709,945,989.60 = 425,820,180.80 : x
  2. Step 2: Convert to fraction form
    474,193,121.60/709,945,989.60 = 425,820,180.80/x
  3. Step 3: Cross multiply
    474,193,121.60x = 709,945,989.60 × 425,820,180.80
  4. Step 4: Simplify right side
    474,193,121.60x = 302,309,329,649,706,944
  5. Step 5: Solve for x
    x = 302,309,329,649,706,944/474,193,121.60
  6. Step 6: Final answer
    x = 637,523,649.92

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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.