Home / 2,120,571,714.12-3,179,793,360.58-1,235,543,087.78

Finding the Fourth Proportional to 2,120,571,714.12, 3,179,793,360.58 and 1,235,543,087.78

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Solution

The fourth proportional to 2,120,571,714.12, 3,179,793,360.58 and 1,235,543,087.78 is: 1,852,694,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,571,714.12 : 3,179,793,360.58 = 1,235,543,087.78 : x
  2. Step 2: Convert to fraction form
    2,120,571,714.12/3,179,793,360.58 = 1,235,543,087.78/x
  3. Step 3: Cross multiply
    2,120,571,714.12x = 3,179,793,360.58 × 1,235,543,087.78
  4. Step 4: Simplify right side
    2,120,571,714.12x = 3,928,771,707,238,216,704
  5. Step 5: Solve for x
    x = 3,928,771,707,238,216,704/2,120,571,714.12
  6. Step 6: Final answer
    x = 1,852,694,573.39

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Double scale
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1.5x scale

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.