Home / 394,728,746.27-544,554,678.33-238,008,788.24

Finding the Fourth Proportional to 394,728,746.27, 544,554,678.33 and 238,008,788.24

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Solution

The fourth proportional to 394,728,746.27, 544,554,678.33 and 238,008,788.24 is: 328,349,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,728,746.27 : 544,554,678.33 = 238,008,788.24 : x
  2. Step 2: Convert to fraction form
    394,728,746.27/544,554,678.33 = 238,008,788.24/x
  3. Step 3: Cross multiply
    394,728,746.27x = 544,554,678.33 × 238,008,788.24
  4. Step 4: Simplify right side
    394,728,746.27x = 129,608,799,117,023,536
  5. Step 5: Solve for x
    x = 129,608,799,117,023,536/394,728,746.27
  6. Step 6: Final answer
    x = 328,349,025.36

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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.