Home / 1,561,754,934.16-2,155,261,473-856,906,727.44

Finding the Fourth Proportional to 1,561,754,934.16, 2,155,261,473 and 856,906,727.44

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Solution

The fourth proportional to 1,561,754,934.16, 2,155,261,473 and 856,906,727.44 is: 1,182,553,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,754,934.16 : 2,155,261,473 = 856,906,727.44 : x
  2. Step 2: Convert to fraction form
    1,561,754,934.16/2,155,261,473 = 856,906,727.44/x
  3. Step 3: Cross multiply
    1,561,754,934.16x = 2,155,261,473 × 856,906,727.44
  4. Step 4: Simplify right side
    1,561,754,934.16x = 1,846,858,055,605,944,064
  5. Step 5: Solve for x
    x = 1,846,858,055,605,944,064/1,561,754,934.16
  6. Step 6: Final answer
    x = 1,182,553,046.71

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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.