Home / 71,142,302,722.54-98,175,796,676.82-38,589,434,882.53

Finding the Fourth Proportional to 71,142,302,722.54, 98,175,796,676.82 and 38,589,434,882.53

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Solution

The fourth proportional to 71,142,302,722.54, 98,175,796,676.82 and 38,589,434,882.53 is: 53,253,104,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142,302,722.54 : 98,175,796,676.82 = 38,589,434,882.53 : x
  2. Step 2: Convert to fraction form
    71,142,302,722.54/98,175,796,676.82 = 38,589,434,882.53/x
  3. Step 3: Cross multiply
    71,142,302,722.54x = 98,175,796,676.82 × 38,589,434,882.53
  4. Step 4: Simplify right side
    71,142,302,722.54x = 3,788,548,512,900,454,547,456
  5. Step 5: Solve for x
    x = 3,788,548,512,900,454,547,456/71,142,302,722.54
  6. Step 6: Final answer
    x = 53,253,104,944.83

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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.