Home / 449,238,245.27-619,980,858.87-248,290,796.77

Finding the Fourth Proportional to 449,238,245.27, 619,980,858.87 and 248,290,796.77

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Solution

The fourth proportional to 449,238,245.27, 619,980,858.87 and 248,290,796.77 is: 342,659,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,238,245.27 : 619,980,858.87 = 248,290,796.77 : x
  2. Step 2: Convert to fraction form
    449,238,245.27/619,980,858.87 = 248,290,796.77/x
  3. Step 3: Cross multiply
    449,238,245.27x = 619,980,858.87 × 248,290,796.77
  4. Step 4: Simplify right side
    449,238,245.27x = 153,935,541,430,981,216
  5. Step 5: Solve for x
    x = 153,935,541,430,981,216/449,238,245.27
  6. Step 6: Final answer
    x = 342,659,030.15

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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.