Home / 913,499,247.41-1,260,629,894.41-495,811,618.82

Finding the Fourth Proportional to 913,499,247.41, 1,260,629,894.41 and 495,811,618.82

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Solution

The fourth proportional to 913,499,247.41, 1,260,629,894.41 and 495,811,618.82 is: 684,220,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,499,247.41 : 1,260,629,894.41 = 495,811,618.82 : x
  2. Step 2: Convert to fraction form
    913,499,247.41/1,260,629,894.41 = 495,811,618.82/x
  3. Step 3: Cross multiply
    913,499,247.41x = 1,260,629,894.41 × 495,811,618.82
  4. Step 4: Simplify right side
    913,499,247.41x = 625,034,948,680,307,840
  5. Step 5: Solve for x
    x = 625,034,948,680,307,840/913,499,247.41
  6. Step 6: Final answer
    x = 684,220,540.36

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1.5x scale

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.