Home / 635,280,634.44-876,713,632.26-353,022,021

Finding the Fourth Proportional to 635,280,634.44, 876,713,632.26 and 353,022,021

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Solution

The fourth proportional to 635,280,634.44, 876,713,632.26 and 353,022,021 is: 487,185,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,280,634.44 : 876,713,632.26 = 353,022,021 : x
  2. Step 2: Convert to fraction form
    635,280,634.44/876,713,632.26 = 353,022,021/x
  3. Step 3: Cross multiply
    635,280,634.44x = 876,713,632.26 × 353,022,021
  4. Step 4: Simplify right side
    635,280,634.44x = 309,499,218,298,675,968
  5. Step 5: Solve for x
    x = 309,499,218,298,675,968/635,280,634.44
  6. Step 6: Final answer
    x = 487,185,035.27

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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.