Home / 7,078,991,574,302.20-9,768,904,407,215.20-3,953,969,689,933.20

Finding the Fourth Proportional to 7,078,991,574,302.20, 9,768,904,407,215.20 and 3,953,969,689,933.20

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Solution

The fourth proportional to 7,078,991,574,302.20, 9,768,904,407,215.20 and 3,953,969,689,933.20 is: 5,456,420,102,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,991,574,302.20 : 9,768,904,407,215.20 = 3,953,969,689,933.20 : x
  2. Step 2: Convert to fraction form
    7,078,991,574,302.20/9,768,904,407,215.20 = 3,953,969,689,933.20/x
  3. Step 3: Cross multiply
    7,078,991,574,302.20x = 9,768,904,407,215.20 × 3,953,969,689,933.20
  4. Step 4: Simplify right side
    7,078,991,574,302.20x = 38,625,951,929,983,752,806,072,320
  5. Step 5: Solve for x
    x = 38,625,951,929,983,752,806,072,320/7,078,991,574,302.20
  6. Step 6: Final answer
    x = 5,456,420,102,292.78

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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.