Home / 84,419,520,982.68-126,633,354,096.52-27,758,129,542.77

Finding the Fourth Proportional to 84,419,520,982.68, 126,633,354,096.52 and 27,758,129,542.77

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Solution

The fourth proportional to 84,419,520,982.68, 126,633,354,096.52 and 27,758,129,542.77 is: 41,638,533,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,419,520,982.68 : 126,633,354,096.52 = 27,758,129,542.77 : x
  2. Step 2: Convert to fraction form
    84,419,520,982.68/126,633,354,096.52 = 27,758,129,542.77/x
  3. Step 3: Cross multiply
    84,419,520,982.68x = 126,633,354,096.52 × 27,758,129,542.77
  4. Step 4: Simplify right side
    84,419,520,982.68x = 3,515,105,047,446,666,346,496
  5. Step 5: Solve for x
    x = 3,515,105,047,446,666,346,496/84,419,520,982.68
  6. Step 6: Final answer
    x = 41,638,533,440.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.