Home / 468,119,283.72-646,015,049.91-267,172,127.34

Finding the Fourth Proportional to 468,119,283.72, 646,015,049.91 and 267,172,127.34

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Solution

The fourth proportional to 468,119,283.72, 646,015,049.91 and 267,172,127.34 is: 368,703,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,119,283.72 : 646,015,049.91 = 267,172,127.34 : x
  2. Step 2: Convert to fraction form
    468,119,283.72/646,015,049.91 = 267,172,127.34/x
  3. Step 3: Cross multiply
    468,119,283.72x = 646,015,049.91 × 267,172,127.34
  4. Step 4: Simplify right side
    468,119,283.72x = 172,597,215,178,110,976
  5. Step 5: Solve for x
    x = 172,597,215,178,110,976/468,119,283.72
  6. Step 6: Final answer
    x = 368,703,493.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.