Home / 443,232,032.70-664,848,049.05-259,566,023.10

Finding the Fourth Proportional to 443,232,032.70, 664,848,049.05 and 259,566,023.10

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Solution

The fourth proportional to 443,232,032.70, 664,848,049.05 and 259,566,023.10 is: 389,349,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,032.70 : 664,848,049.05 = 259,566,023.10 : x
  2. Step 2: Convert to fraction form
    443,232,032.70/664,848,049.05 = 259,566,023.10/x
  3. Step 3: Cross multiply
    443,232,032.70x = 664,848,049.05 × 259,566,023.10
  4. Step 4: Simplify right side
    443,232,032.70x = 172,571,964,057,702,208
  5. Step 5: Solve for x
    x = 172,571,964,057,702,208/443,232,032.70
  6. Step 6: Final answer
    x = 389,349,034.65

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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.