Home / 324,998,311.28-448,498,521.24-176,319,424.64

Finding the Fourth Proportional to 324,998,311.28, 448,498,521.24 and 176,319,424.64

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Solution

The fourth proportional to 324,998,311.28, 448,498,521.24 and 176,319,424.64 is: 243,321,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,998,311.28 : 448,498,521.24 = 176,319,424.64 : x
  2. Step 2: Convert to fraction form
    324,998,311.28/448,498,521.24 = 176,319,424.64/x
  3. Step 3: Cross multiply
    324,998,311.28x = 448,498,521.24 × 176,319,424.64
  4. Step 4: Simplify right side
    324,998,311.28x = 79,079,001,216,927,616
  5. Step 5: Solve for x
    x = 79,079,001,216,927,616/324,998,311.28
  6. Step 6: Final answer
    x = 243,321,268.06

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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.