Home / 641,522,833.43-885,301,878.48-348,167,401.43

Finding the Fourth Proportional to 641,522,833.43, 885,301,878.48 and 348,167,401.43

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Solution

The fourth proportional to 641,522,833.43, 885,301,878.48 and 348,167,401.43 is: 480,471,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,522,833.43 : 885,301,878.48 = 348,167,401.43 : x
  2. Step 2: Convert to fraction form
    641,522,833.43/885,301,878.48 = 348,167,401.43/x
  3. Step 3: Cross multiply
    641,522,833.43x = 885,301,878.48 × 348,167,401.43
  4. Step 4: Simplify right side
    641,522,833.43x = 308,233,254,511,479,232
  5. Step 5: Solve for x
    x = 308,233,254,511,479,232/641,522,833.43
  6. Step 6: Final answer
    x = 480,471,213.88

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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.