Home / 635,561,115.72-877,084,783.77-349,464,646.54

Finding the Fourth Proportional to 635,561,115.72, 877,084,783.77 and 349,464,646.54

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Solution

The fourth proportional to 635,561,115.72, 877,084,783.77 and 349,464,646.54 is: 482,266,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,561,115.72 : 877,084,783.77 = 349,464,646.54 : x
  2. Step 2: Convert to fraction form
    635,561,115.72/877,084,783.77 = 349,464,646.54/x
  3. Step 3: Cross multiply
    635,561,115.72x = 877,084,783.77 × 349,464,646.54
  4. Step 4: Simplify right side
    635,561,115.72x = 306,510,123,945,795,392
  5. Step 5: Solve for x
    x = 306,510,123,945,795,392/635,561,115.72
  6. Step 6: Final answer
    x = 482,266,954.92

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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.