Home / 635,346,383.07-876,506,035.94-396,777,391.25

Finding the Fourth Proportional to 635,346,383.07, 876,506,035.94 and 396,777,391.25

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Solution

The fourth proportional to 635,346,383.07, 876,506,035.94 and 396,777,391.25 is: 547,382,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,383.07 : 876,506,035.94 = 396,777,391.25 : x
  2. Step 2: Convert to fraction form
    635,346,383.07/876,506,035.94 = 396,777,391.25/x
  3. Step 3: Cross multiply
    635,346,383.07x = 876,506,035.94 × 396,777,391.25
  4. Step 4: Simplify right side
    635,346,383.07x = 347,777,778,350,273,472
  5. Step 5: Solve for x
    x = 347,777,778,350,273,472/635,346,383.07
  6. Step 6: Final answer
    x = 547,382,951.43

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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.