Home / 399,417,867.60-599,126,801.40-229,548,555.60

Finding the Fourth Proportional to 399,417,867.60, 599,126,801.40 and 229,548,555.60

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Solution

The fourth proportional to 399,417,867.60, 599,126,801.40 and 229,548,555.60 is: 344,322,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,417,867.60 : 599,126,801.40 = 229,548,555.60 : x
  2. Step 2: Convert to fraction form
    399,417,867.60/599,126,801.40 = 229,548,555.60/x
  3. Step 3: Cross multiply
    399,417,867.60x = 599,126,801.40 × 229,548,555.60
  4. Step 4: Simplify right side
    399,417,867.60x = 137,528,691,882,618,048
  5. Step 5: Solve for x
    x = 137,528,691,882,618,048/399,417,867.60
  6. Step 6: Final answer
    x = 344,322,833.40

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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.