Home / 913,524,554-1,260,630,127.40-495,827,871.24

Finding the Fourth Proportional to 913,524,554, 1,260,630,127.40 and 495,827,871.24

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Solution

The fourth proportional to 913,524,554, 1,260,630,127.40 and 495,827,871.24 is: 684,224,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,524,554 : 1,260,630,127.40 = 495,827,871.24 : x
  2. Step 2: Convert to fraction form
    913,524,554/1,260,630,127.40 = 495,827,871.24/x
  3. Step 3: Cross multiply
    913,524,554x = 1,260,630,127.40 × 495,827,871.24
  4. Step 4: Simplify right side
    913,524,554x = 625,055,552,489,752,064
  5. Step 5: Solve for x
    x = 625,055,552,489,752,064/913,524,554
  6. Step 6: Final answer
    x = 684,224,140.18

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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.