Home / 399,444,959.20-599,233,016.40-123,096,222.40

Finding the Fourth Proportional to 399,444,959.20, 599,233,016.40 and 123,096,222.40

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Solution

The fourth proportional to 399,444,959.20, 599,233,016.40 and 123,096,222.40 is: 184,664,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,444,959.20 : 599,233,016.40 = 123,096,222.40 : x
  2. Step 2: Convert to fraction form
    399,444,959.20/599,233,016.40 = 123,096,222.40/x
  3. Step 3: Cross multiply
    399,444,959.20x = 599,233,016.40 × 123,096,222.40
  4. Step 4: Simplify right side
    399,444,959.20x = 73,763,320,656,197,248
  5. Step 5: Solve for x
    x = 73,763,320,656,197,248/399,444,959.20
  6. Step 6: Final answer
    x = 184,664,542.53

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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.