Home / 394,736,724.85-544,715,099.32-216,086,053.10

Finding the Fourth Proportional to 394,736,724.85, 544,715,099.32 and 216,086,053.10

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Solution

The fourth proportional to 394,736,724.85, 544,715,099.32 and 216,086,053.10 is: 298,186,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,736,724.85 : 544,715,099.32 = 216,086,053.10 : x
  2. Step 2: Convert to fraction form
    394,736,724.85/544,715,099.32 = 216,086,053.10/x
  3. Step 3: Cross multiply
    394,736,724.85x = 544,715,099.32 × 216,086,053.10
  4. Step 4: Simplify right side
    394,736,724.85x = 117,705,335,876,232,720
  5. Step 5: Solve for x
    x = 117,705,335,876,232,720/394,736,724.85
  6. Step 6: Final answer
    x = 298,186,939.46

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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.