Home / 15,099,885,208.85-20,838,771,694.31-8,325,682,839.14

Finding the Fourth Proportional to 15,099,885,208.85, 20,838,771,694.31 and 8,325,682,839.14

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Solution

The fourth proportional to 15,099,885,208.85, 20,838,771,694.31 and 8,325,682,839.14 is: 11,489,955,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099,885,208.85 : 20,838,771,694.31 = 8,325,682,839.14 : x
  2. Step 2: Convert to fraction form
    15,099,885,208.85/20,838,771,694.31 = 8,325,682,839.14/x
  3. Step 3: Cross multiply
    15,099,885,208.85x = 20,838,771,694.31 × 8,325,682,839.14
  4. Step 4: Simplify right side
    15,099,885,208.85x = 173,497,003,883,927,339,008
  5. Step 5: Solve for x
    x = 173,497,003,883,927,339,008/15,099,885,208.85
  6. Step 6: Final answer
    x = 11,489,955,154.25

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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.