Home / 3,172,179,244.76-4,377,725,499.82-1,902,226,988.80

Finding the Fourth Proportional to 3,172,179,244.76, 4,377,725,499.82 and 1,902,226,988.80

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Solution

The fourth proportional to 3,172,179,244.76, 4,377,725,499.82 and 1,902,226,988.80 is: 2,625,144,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,179,244.76 : 4,377,725,499.82 = 1,902,226,988.80 : x
  2. Step 2: Convert to fraction form
    3,172,179,244.76/4,377,725,499.82 = 1,902,226,988.80/x
  3. Step 3: Cross multiply
    3,172,179,244.76x = 4,377,725,499.82 × 1,902,226,988.80
  4. Step 4: Simplify right side
    3,172,179,244.76x = 8,327,427,595,315,572,736
  5. Step 5: Solve for x
    x = 8,327,427,595,315,572,736/3,172,179,244.76
  6. Step 6: Final answer
    x = 2,625,144,089.53

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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.