Home / 363,491,870.87-545,046,487.53-248,509,296.11

Finding the Fourth Proportional to 363,491,870.87, 545,046,487.53 and 248,509,296.11

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Solution

The fourth proportional to 363,491,870.87, 545,046,487.53 and 248,509,296.11 is: 372,633,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,491,870.87 : 545,046,487.53 = 248,509,296.11 : x
  2. Step 2: Convert to fraction form
    363,491,870.87/545,046,487.53 = 248,509,296.11/x
  3. Step 3: Cross multiply
    363,491,870.87x = 545,046,487.53 × 248,509,296.11
  4. Step 4: Simplify right side
    363,491,870.87x = 135,449,118,960,582,944
  5. Step 5: Solve for x
    x = 135,449,118,960,582,944/363,491,870.87
  6. Step 6: Final answer
    x = 372,633,144.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.