Home / 1,131,823,774.74-1,561,900,810.68-636,785,302.26

Finding the Fourth Proportional to 1,131,823,774.74, 1,561,900,810.68 and 636,785,302.26

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Solution

The fourth proportional to 1,131,823,774.74, 1,561,900,810.68 and 636,785,302.26 is: 878,754,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,823,774.74 : 1,561,900,810.68 = 636,785,302.26 : x
  2. Step 2: Convert to fraction form
    1,131,823,774.74/1,561,900,810.68 = 636,785,302.26/x
  3. Step 3: Cross multiply
    1,131,823,774.74x = 1,561,900,810.68 × 636,785,302.26
  4. Step 4: Simplify right side
    1,131,823,774.74x = 994,595,479,829,002,880
  5. Step 5: Solve for x
    x = 994,595,479,829,002,880/1,131,823,774.74
  6. Step 6: Final answer
    x = 878,754,716.08

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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.