Home / 3,172,179,236.76-4,377,725,488.76-1,902,226,980.78

Finding the Fourth Proportional to 3,172,179,236.76, 4,377,725,488.76 and 1,902,226,980.78

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Solution

The fourth proportional to 3,172,179,236.76, 4,377,725,488.76 and 1,902,226,980.78 is: 2,625,144,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,179,236.76 : 4,377,725,488.76 = 1,902,226,980.78 : x
  2. Step 2: Convert to fraction form
    3,172,179,236.76/4,377,725,488.76 = 1,902,226,980.78/x
  3. Step 3: Cross multiply
    3,172,179,236.76x = 4,377,725,488.76 × 1,902,226,980.78
  4. Step 4: Simplify right side
    3,172,179,236.76x = 8,327,427,539,158,073,344
  5. Step 5: Solve for x
    x = 8,327,427,539,158,073,344/3,172,179,236.76
  6. Step 6: Final answer
    x = 2,625,144,078.45

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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.