Home / 3,172,179,238.26-4,377,725,490.83-1,902,226,982.28

Finding the Fourth Proportional to 3,172,179,238.26, 4,377,725,490.83 and 1,902,226,982.28

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Solution

The fourth proportional to 3,172,179,238.26, 4,377,725,490.83 and 1,902,226,982.28 is: 2,625,144,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,179,238.26 : 4,377,725,490.83 = 1,902,226,982.28 : x
  2. Step 2: Convert to fraction form
    3,172,179,238.26/4,377,725,490.83 = 1,902,226,982.28/x
  3. Step 3: Cross multiply
    3,172,179,238.26x = 4,377,725,490.83 × 1,902,226,982.28
  4. Step 4: Simplify right side
    3,172,179,238.26x = 8,327,427,549,662,271,488
  5. Step 5: Solve for x
    x = 8,327,427,549,662,271,488/3,172,179,238.26
  6. Step 6: Final answer
    x = 2,625,144,080.52

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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.