Home / 747,503,583.20-1,120,648,348.65-311,130,902.15

Finding the Fourth Proportional to 747,503,583.20, 1,120,648,348.65 and 311,130,902.15

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Solution

The fourth proportional to 747,503,583.20, 1,120,648,348.65 and 311,130,902.15 is: 466,443,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,503,583.20 : 1,120,648,348.65 = 311,130,902.15 : x
  2. Step 2: Convert to fraction form
    747,503,583.20/1,120,648,348.65 = 311,130,902.15/x
  3. Step 3: Cross multiply
    747,503,583.20x = 1,120,648,348.65 × 311,130,902.15
  4. Step 4: Simplify right side
    747,503,583.20x = 348,668,331,708,382,208
  5. Step 5: Solve for x
    x = 348,668,331,708,382,208/747,503,583.20
  6. Step 6: Final answer
    x = 466,443,692.77

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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.