Home / 399,846,876.36-599,834,212.04-123,433,119.12

Finding the Fourth Proportional to 399,846,876.36, 599,834,212.04 and 123,433,119.12

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Solution

The fourth proportional to 399,846,876.36, 599,834,212.04 and 123,433,119.12 is: 185,169,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,846,876.36 : 599,834,212.04 = 123,433,119.12 : x
  2. Step 2: Convert to fraction form
    399,846,876.36/599,834,212.04 = 123,433,119.12/x
  3. Step 3: Cross multiply
    399,846,876.36x = 599,834,212.04 × 123,433,119.12
  4. Step 4: Simplify right side
    399,846,876.36x = 74,039,407,746,984,656
  5. Step 5: Solve for x
    x = 74,039,407,746,984,656/399,846,876.36
  6. Step 6: Final answer
    x = 185,169,403.90

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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.