Home / 747,503,582.20-1,120,648,347.15-311,130,901.15

Finding the Fourth Proportional to 747,503,582.20, 1,120,648,347.15 and 311,130,901.15

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Solution

The fourth proportional to 747,503,582.20, 1,120,648,347.15 and 311,130,901.15 is: 466,443,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,503,582.20 : 1,120,648,347.15 = 311,130,901.15 : x
  2. Step 2: Convert to fraction form
    747,503,582.20/1,120,648,347.15 = 311,130,901.15/x
  3. Step 3: Cross multiply
    747,503,582.20x = 1,120,648,347.15 × 311,130,901.15
  4. Step 4: Simplify right side
    747,503,582.20x = 348,668,330,121,037,568
  5. Step 5: Solve for x
    x = 348,668,330,121,037,568/747,503,582.20
  6. Step 6: Final answer
    x = 466,443,691.27

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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.