Home / 1,383,144,644.27-1,908,754,753.07-756,613,078.38

Finding the Fourth Proportional to 1,383,144,644.27, 1,908,754,753.07 and 756,613,078.38

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Solution

The fourth proportional to 1,383,144,644.27, 1,908,754,753.07 and 756,613,078.38 is: 1,044,134,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,144,644.27 : 1,908,754,753.07 = 756,613,078.38 : x
  2. Step 2: Convert to fraction form
    1,383,144,644.27/1,908,754,753.07 = 756,613,078.38/x
  3. Step 3: Cross multiply
    1,383,144,644.27x = 1,908,754,753.07 × 756,613,078.38
  4. Step 4: Simplify right side
    1,383,144,644.27x = 1,444,188,809,594,640,896
  5. Step 5: Solve for x
    x = 1,444,188,809,594,640,896/1,383,144,644.27
  6. Step 6: Final answer
    x = 1,044,134,332.28

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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.