Home / 2,189,532,000.52-3,021,397,297.03-1,285,324,649.39

Finding the Fourth Proportional to 2,189,532,000.52, 3,021,397,297.03 and 1,285,324,649.39

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Solution

The fourth proportional to 2,189,532,000.52, 3,021,397,297.03 and 1,285,324,649.39 is: 1,773,655,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,532,000.52 : 3,021,397,297.03 = 1,285,324,649.39 : x
  2. Step 2: Convert to fraction form
    2,189,532,000.52/3,021,397,297.03 = 1,285,324,649.39/x
  3. Step 3: Cross multiply
    2,189,532,000.52x = 3,021,397,297.03 × 1,285,324,649.39
  4. Step 4: Simplify right side
    2,189,532,000.52x = 3,883,476,421,472,978,944
  5. Step 5: Solve for x
    x = 3,883,476,421,472,978,944/2,189,532,000.52
  6. Step 6: Final answer
    x = 1,773,655,932.20

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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.