Home / 378,418,004.20-567,627,006.30-276,381,332.20

Finding the Fourth Proportional to 378,418,004.20, 567,627,006.30 and 276,381,332.20

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Solution

The fourth proportional to 378,418,004.20, 567,627,006.30 and 276,381,332.20 is: 414,571,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,418,004.20 : 567,627,006.30 = 276,381,332.20 : x
  2. Step 2: Convert to fraction form
    378,418,004.20/567,627,006.30 = 276,381,332.20/x
  3. Step 3: Cross multiply
    378,418,004.20x = 567,627,006.30 × 276,381,332.20
  4. Step 4: Simplify right side
    378,418,004.20x = 156,881,508,193,891,776
  5. Step 5: Solve for x
    x = 156,881,508,193,891,776/378,418,004.20
  6. Step 6: Final answer
    x = 414,571,998.30

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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.