Home / 913,499,247.42-1,260,629,894.42-495,811,618.83

Finding the Fourth Proportional to 913,499,247.42, 1,260,629,894.42 and 495,811,618.83

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Solution

The fourth proportional to 913,499,247.42, 1,260,629,894.42 and 495,811,618.83 is: 684,220,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,499,247.42 : 1,260,629,894.42 = 495,811,618.83 : x
  2. Step 2: Convert to fraction form
    913,499,247.42/1,260,629,894.42 = 495,811,618.83/x
  3. Step 3: Cross multiply
    913,499,247.42x = 1,260,629,894.42 × 495,811,618.83
  4. Step 4: Simplify right side
    913,499,247.42x = 625,034,948,689,089,920
  5. Step 5: Solve for x
    x = 625,034,948,689,089,920/913,499,247.42
  6. Step 6: Final answer
    x = 684,220,540.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.