Home / 906,079,910,896.05-1,252,025,887,634.40-645,204,711,822.12

Finding the Fourth Proportional to 906,079,910,896.05, 1,252,025,887,634.40 and 645,204,711,822.12

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Solution

The fourth proportional to 906,079,910,896.05, 1,252,025,887,634.40 and 645,204,711,822.12 is: 891,547,193,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,079,910,896.05 : 1,252,025,887,634.40 = 645,204,711,822.12 : x
  2. Step 2: Convert to fraction form
    906,079,910,896.05/1,252,025,887,634.40 = 645,204,711,822.12/x
  3. Step 3: Cross multiply
    906,079,910,896.05x = 1,252,025,887,634.40 × 645,204,711,822.12
  4. Step 4: Simplify right side
    906,079,910,896.05x = 807,813,002,024,986,970,423,296
  5. Step 5: Solve for x
    x = 807,813,002,024,986,970,423,296/906,079,910,896.05
  6. Step 6: Final answer
    x = 891,547,193,918.16

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Double scale
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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.