Home / 8,660,979,383.40-12,996,933,990.80-3,686,693,118.05

Finding the Fourth Proportional to 8,660,979,383.40, 12,996,933,990.80 and 3,686,693,118.05

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Solution

The fourth proportional to 8,660,979,383.40, 12,996,933,990.80 and 3,686,693,118.05 is: 5,532,365,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,979,383.40 : 12,996,933,990.80 = 3,686,693,118.05 : x
  2. Step 2: Convert to fraction form
    8,660,979,383.40/12,996,933,990.80 = 3,686,693,118.05/x
  3. Step 3: Cross multiply
    8,660,979,383.40x = 12,996,933,990.80 × 3,686,693,118.05
  4. Step 4: Simplify right side
    8,660,979,383.40x = 47,915,707,099,645,239,296
  5. Step 5: Solve for x
    x = 47,915,707,099,645,239,296/8,660,979,383.40
  6. Step 6: Final answer
    x = 5,532,365,911.35

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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.