Home / 356,305,101.12-491,526,310.95-309,196,054.96

Finding the Fourth Proportional to 356,305,101.12, 491,526,310.95 and 309,196,054.96

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Solution

The fourth proportional to 356,305,101.12, 491,526,310.95 and 309,196,054.96 is: 426,538,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,305,101.12 : 491,526,310.95 = 309,196,054.96 : x
  2. Step 2: Convert to fraction form
    356,305,101.12/491,526,310.95 = 309,196,054.96/x
  3. Step 3: Cross multiply
    356,305,101.12x = 491,526,310.95 × 309,196,054.96
  4. Step 4: Simplify right side
    356,305,101.12x = 151,977,996,253,236,256
  5. Step 5: Solve for x
    x = 151,977,996,253,236,256/356,305,101.12
  6. Step 6: Final answer
    x = 426,538,929.07

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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.