Home / 635,346,391.18-876,506,047.16-396,777,399.38

Finding the Fourth Proportional to 635,346,391.18, 876,506,047.16 and 396,777,399.38

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Solution

The fourth proportional to 635,346,391.18, 876,506,047.16 and 396,777,399.38 is: 547,382,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,391.18 : 876,506,047.16 = 396,777,399.38 : x
  2. Step 2: Convert to fraction form
    635,346,391.18/876,506,047.16 = 396,777,399.38/x
  3. Step 3: Cross multiply
    635,346,391.18x = 876,506,047.16 × 396,777,399.38
  4. Step 4: Simplify right side
    635,346,391.18x = 347,777,789,932,988,416
  5. Step 5: Solve for x
    x = 347,777,789,932,988,416/635,346,391.18
  6. Step 6: Final answer
    x = 547,382,962.68

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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.