Home / 3,900,668,977,139.70-5,382,926,716,501.20-2,142,932,380,620.20

Finding the Fourth Proportional to 3,900,668,977,139.70, 5,382,926,716,501.20 and 2,142,932,380,620.20

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Solution

The fourth proportional to 3,900,668,977,139.70, 5,382,926,716,501.20 and 2,142,932,380,620.20 is: 2,957,248,623,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,668,977,139.70 : 5,382,926,716,501.20 = 2,142,932,380,620.20 : x
  2. Step 2: Convert to fraction form
    3,900,668,977,139.70/5,382,926,716,501.20 = 2,142,932,380,620.20/x
  3. Step 3: Cross multiply
    3,900,668,977,139.70x = 5,382,926,716,501.20 × 2,142,932,380,620.20
  4. Step 4: Simplify right side
    3,900,668,977,139.70x = 11,535,247,963,295,994,053,918,720
  5. Step 5: Solve for x
    x = 11,535,247,963,295,994,053,918,720/3,900,668,977,139.70
  6. Step 6: Final answer
    x = 2,957,248,623,479.61

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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.