Home / 873,561,809.33-1,205,545,045.43-516,635,550.23

Finding the Fourth Proportional to 873,561,809.33, 1,205,545,045.43 and 516,635,550.23

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Solution

The fourth proportional to 873,561,809.33, 1,205,545,045.43 and 516,635,550.23 is: 712,974,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,561,809.33 : 1,205,545,045.43 = 516,635,550.23 : x
  2. Step 2: Convert to fraction form
    873,561,809.33/1,205,545,045.43 = 516,635,550.23/x
  3. Step 3: Cross multiply
    873,561,809.33x = 1,205,545,045.43 × 516,635,550.23
  4. Step 4: Simplify right side
    873,561,809.33x = 622,827,427,868,896,640
  5. Step 5: Solve for x
    x = 622,827,427,868,896,640/873,561,809.33
  6. Step 6: Final answer
    x = 712,974,652.98

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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.