Home / 361,399,299.86-498,693,490.61-212,711,553.56

Finding the Fourth Proportional to 361,399,299.86, 498,693,490.61 and 212,711,553.56

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Solution

The fourth proportional to 361,399,299.86, 498,693,490.61 and 212,711,553.56 is: 293,519,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,399,299.86 : 498,693,490.61 = 212,711,553.56 : x
  2. Step 2: Convert to fraction form
    361,399,299.86/498,693,490.61 = 212,711,553.56/x
  3. Step 3: Cross multiply
    361,399,299.86x = 498,693,490.61 × 212,711,553.56
  4. Step 4: Simplify right side
    361,399,299.86x = 106,077,867,134,355,360
  5. Step 5: Solve for x
    x = 106,077,867,134,355,360/361,399,299.86
  6. Step 6: Final answer
    x = 293,519,846.82

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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.