Home / 635,539,695.98-953,291,921.55-169,205,120.78

Finding the Fourth Proportional to 635,539,695.98, 953,291,921.55 and 169,205,120.78

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Solution

The fourth proportional to 635,539,695.98, 953,291,921.55 and 169,205,120.78 is: 253,802,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,539,695.98 : 953,291,921.55 = 169,205,120.78 : x
  2. Step 2: Convert to fraction form
    635,539,695.98/953,291,921.55 = 169,205,120.78/x
  3. Step 3: Cross multiply
    635,539,695.98x = 953,291,921.55 × 169,205,120.78
  4. Step 4: Simplify right side
    635,539,695.98x = 161,301,874,719,699,584
  5. Step 5: Solve for x
    x = 161,301,874,719,699,584/635,539,695.98
  6. Step 6: Final answer
    x = 253,802,989.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.