Home / 449,238,252.39-619,980,868.68-248,290,803.90

Finding the Fourth Proportional to 449,238,252.39, 619,980,868.68 and 248,290,803.90

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Solution

The fourth proportional to 449,238,252.39, 619,980,868.68 and 248,290,803.90 is: 342,659,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,238,252.39 : 619,980,868.68 = 248,290,803.90 : x
  2. Step 2: Convert to fraction form
    449,238,252.39/619,980,868.68 = 248,290,803.90/x
  3. Step 3: Cross multiply
    449,238,252.39x = 619,980,868.68 × 248,290,803.90
  4. Step 4: Simplify right side
    449,238,252.39x = 153,935,548,287,177,536
  5. Step 5: Solve for x
    x = 153,935,548,287,177,536/449,238,252.39
  6. Step 6: Final answer
    x = 342,659,039.98

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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.