Home / 807,627,089.28-1,211,644,503.36-225,360,845.76

Finding the Fourth Proportional to 807,627,089.28, 1,211,644,503.36 and 225,360,845.76

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Solution

The fourth proportional to 807,627,089.28, 1,211,644,503.36 and 225,360,845.76 is: 338,098,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,627,089.28 : 1,211,644,503.36 = 225,360,845.76 : x
  2. Step 2: Convert to fraction form
    807,627,089.28/1,211,644,503.36 = 225,360,845.76/x
  3. Step 3: Cross multiply
    807,627,089.28x = 1,211,644,503.36 × 225,360,845.76
  4. Step 4: Simplify right side
    807,627,089.28x = 273,057,230,037,664,736
  5. Step 5: Solve for x
    x = 273,057,230,037,664,736/807,627,089.28
  6. Step 6: Final answer
    x = 338,098,156.52

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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.