Home / 414,882,012.40-622,354,511.40-123,726,410.80

Finding the Fourth Proportional to 414,882,012.40, 622,354,511.40 and 123,726,410.80

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Solution

The fourth proportional to 414,882,012.40, 622,354,511.40 and 123,726,410.80 is: 185,599,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,882,012.40 : 622,354,511.40 = 123,726,410.80 : x
  2. Step 2: Convert to fraction form
    414,882,012.40/622,354,511.40 = 123,726,410.80/x
  3. Step 3: Cross multiply
    414,882,012.40x = 622,354,511.40 × 123,726,410.80
  4. Step 4: Simplify right side
    414,882,012.40x = 77,001,689,940,709,680
  5. Step 5: Solve for x
    x = 77,001,689,940,709,680/414,882,012.40
  6. Step 6: Final answer
    x = 185,599,008.01

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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.