Home / 399,961,664.43-599,397,768.32-225,168,070.83

Finding the Fourth Proportional to 399,961,664.43, 599,397,768.32 and 225,168,070.83

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Solution

The fourth proportional to 399,961,664.43, 599,397,768.32 and 225,168,070.83 is: 337,445,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,961,664.43 : 599,397,768.32 = 225,168,070.83 : x
  2. Step 2: Convert to fraction form
    399,961,664.43/599,397,768.32 = 225,168,070.83/x
  3. Step 3: Cross multiply
    399,961,664.43x = 599,397,768.32 × 225,168,070.83
  4. Step 4: Simplify right side
    399,961,664.43x = 134,965,239,151,295,872
  5. Step 5: Solve for x
    x = 134,965,239,151,295,872/399,961,664.43
  6. Step 6: Final answer
    x = 337,445,438.29

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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.