Home / 1,395,543,865.48-1,925,863,449.78-769,034,714.20

Finding the Fourth Proportional to 1,395,543,865.48, 1,925,863,449.78 and 769,034,714.20

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Solution

The fourth proportional to 1,395,543,865.48, 1,925,863,449.78 and 769,034,714.20 is: 1,061,275,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,543,865.48 : 1,925,863,449.78 = 769,034,714.20 : x
  2. Step 2: Convert to fraction form
    1,395,543,865.48/1,925,863,449.78 = 769,034,714.20/x
  3. Step 3: Cross multiply
    1,395,543,865.48x = 1,925,863,449.78 × 769,034,714.20
  4. Step 4: Simplify right side
    1,395,543,865.48x = 1,481,055,847,689,788,416
  5. Step 5: Solve for x
    x = 1,481,055,847,689,788,416/1,395,543,865.48
  6. Step 6: Final answer
    x = 1,061,275,022.82

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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.