Home / 5,215,538,031.60-7,820,619,661.80-1,942,302,370.80

Finding the Fourth Proportional to 5,215,538,031.60, 7,820,619,661.80 and 1,942,302,370.80

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Solution

The fourth proportional to 5,215,538,031.60, 7,820,619,661.80 and 1,942,302,370.80 is: 2,912,452,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,538,031.60 : 7,820,619,661.80 = 1,942,302,370.80 : x
  2. Step 2: Convert to fraction form
    5,215,538,031.60/7,820,619,661.80 = 1,942,302,370.80/x
  3. Step 3: Cross multiply
    5,215,538,031.60x = 7,820,619,661.80 × 1,942,302,370.80
  4. Step 4: Simplify right side
    5,215,538,031.60x = 15,190,008,110,239,234,048
  5. Step 5: Solve for x
    x = 15,190,008,110,239,234,048/5,215,538,031.60
  6. Step 6: Final answer
    x = 2,912,452,755.25

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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.