Home / 913,524,449.32-1,260,629,983.23-495,827,766.55

Finding the Fourth Proportional to 913,524,449.32, 1,260,629,983.23 and 495,827,766.55

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Solution

The fourth proportional to 913,524,449.32, 1,260,629,983.23 and 495,827,766.55 is: 684,223,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,524,449.32 : 1,260,629,983.23 = 495,827,766.55 : x
  2. Step 2: Convert to fraction form
    913,524,449.32/1,260,629,983.23 = 495,827,766.55/x
  3. Step 3: Cross multiply
    913,524,449.32x = 1,260,629,983.23 × 495,827,766.55
  4. Step 4: Simplify right side
    913,524,449.32x = 625,055,349,030,586,496
  5. Step 5: Solve for x
    x = 625,055,349,030,586,496/913,524,449.32
  6. Step 6: Final answer
    x = 684,223,995.86

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Double scale
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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.