Home / 2,069,304,382.80-2,855,213,761.32-1,189,068,025.68

Finding the Fourth Proportional to 2,069,304,382.80, 2,855,213,761.32 and 1,189,068,025.68

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Solution

The fourth proportional to 2,069,304,382.80, 2,855,213,761.32 and 1,189,068,025.68 is: 1,640,668,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,304,382.80 : 2,855,213,761.32 = 1,189,068,025.68 : x
  2. Step 2: Convert to fraction form
    2,069,304,382.80/2,855,213,761.32 = 1,189,068,025.68/x
  3. Step 3: Cross multiply
    2,069,304,382.80x = 2,855,213,761.32 × 1,189,068,025.68
  4. Step 4: Simplify right side
    2,069,304,382.80x = 3,395,043,390,067,139,584
  5. Step 5: Solve for x
    x = 3,395,043,390,067,139,584/2,069,304,382.80
  6. Step 6: Final answer
    x = 1,640,668,921.54

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1.5x scale

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.