Home / 635,519,319.72-877,027,148.96-349,422,934.04

Finding the Fourth Proportional to 635,519,319.72, 877,027,148.96 and 349,422,934.04

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Solution

The fourth proportional to 635,519,319.72, 877,027,148.96 and 349,422,934.04 is: 482,209,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,519,319.72 : 877,027,148.96 = 349,422,934.04 : x
  2. Step 2: Convert to fraction form
    635,519,319.72/877,027,148.96 = 349,422,934.04/x
  3. Step 3: Cross multiply
    635,519,319.72x = 877,027,148.96 × 349,422,934.04
  4. Step 4: Simplify right side
    635,519,319.72x = 306,453,399,622,339,392
  5. Step 5: Solve for x
    x = 306,453,399,622,339,392/635,519,319.72
  6. Step 6: Final answer
    x = 482,209,415.38

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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.