Home / 913,392,240-1,260,481,948.80-495,704,417.28

Finding the Fourth Proportional to 913,392,240, 1,260,481,948.80 and 495,704,417.28

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Solution

The fourth proportional to 913,392,240, 1,260,481,948.80 and 495,704,417.28 is: 684,072,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,392,240 : 1,260,481,948.80 = 495,704,417.28 : x
  2. Step 2: Convert to fraction form
    913,392,240/1,260,481,948.80 = 495,704,417.28/x
  3. Step 3: Cross multiply
    913,392,240x = 1,260,481,948.80 × 495,704,417.28
  4. Step 4: Simplify right side
    913,392,240x = 624,826,469,921,862,784
  5. Step 5: Solve for x
    x = 624,826,469,921,862,784/913,392,240
  6. Step 6: Final answer
    x = 684,072,452.73

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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.