Home / 399,485,486.27-599,171,898.61-137,165,886.77

Finding the Fourth Proportional to 399,485,486.27, 599,171,898.61 and 137,165,886.77

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Solution

The fourth proportional to 399,485,486.27, 599,171,898.61 and 137,165,886.77 is: 205,729,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,485,486.27 : 599,171,898.61 = 137,165,886.77 : x
  2. Step 2: Convert to fraction form
    399,485,486.27/599,171,898.61 = 137,165,886.77/x
  3. Step 3: Cross multiply
    399,485,486.27x = 599,171,898.61 × 137,165,886.77
  4. Step 4: Simplify right side
    399,485,486.27x = 82,185,944,801,507,520
  5. Step 5: Solve for x
    x = 82,185,944,801,507,520/399,485,486.27
  6. Step 6: Final answer
    x = 205,729,488.62

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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.