Home / 2,151,449,184.80-2,968,969,695.20-1,198,870,071.84

Finding the Fourth Proportional to 2,151,449,184.80, 2,968,969,695.20 and 1,198,870,071.84

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Solution

The fourth proportional to 2,151,449,184.80, 2,968,969,695.20 and 1,198,870,071.84 is: 1,654,423,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,449,184.80 : 2,968,969,695.20 = 1,198,870,071.84 : x
  2. Step 2: Convert to fraction form
    2,151,449,184.80/2,968,969,695.20 = 1,198,870,071.84/x
  3. Step 3: Cross multiply
    2,151,449,184.80x = 2,968,969,695.20 × 1,198,870,071.84
  4. Step 4: Simplify right side
    2,151,449,184.80x = 3,559,408,911,775,206,400
  5. Step 5: Solve for x
    x = 3,559,408,911,775,206,400/2,151,449,184.80
  6. Step 6: Final answer
    x = 1,654,423,881.78

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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.