Home / 2,080,086,000.40-3,120,129,000.60-699,441,648.40

Finding the Fourth Proportional to 2,080,086,000.40, 3,120,129,000.60 and 699,441,648.40

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Solution

The fourth proportional to 2,080,086,000.40, 3,120,129,000.60 and 699,441,648.40 is: 1,049,162,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,086,000.40 : 3,120,129,000.60 = 699,441,648.40 : x
  2. Step 2: Convert to fraction form
    2,080,086,000.40/3,120,129,000.60 = 699,441,648.40/x
  3. Step 3: Cross multiply
    2,080,086,000.40x = 3,120,129,000.60 × 699,441,648.40
  4. Step 4: Simplify right side
    2,080,086,000.40x = 2,182,348,171,400,308,480
  5. Step 5: Solve for x
    x = 2,182,348,171,400,308,480/2,080,086,000.40
  6. Step 6: Final answer
    x = 1,049,162,472.60

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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.