Home / 11,987,290,252.64-17,987,135,305.28-8,698,221,849.12

Finding the Fourth Proportional to 11,987,290,252.64, 17,987,135,305.28 and 8,698,221,849.12

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Solution

The fourth proportional to 11,987,290,252.64, 17,987,135,305.28 and 8,698,221,849.12 is: 13,051,831,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987,290,252.64 : 17,987,135,305.28 = 8,698,221,849.12 : x
  2. Step 2: Convert to fraction form
    11,987,290,252.64/17,987,135,305.28 = 8,698,221,849.12/x
  3. Step 3: Cross multiply
    11,987,290,252.64x = 17,987,135,305.28 × 8,698,221,849.12
  4. Step 4: Simplify right side
    11,987,290,252.64x = 156,456,093,315,464,232,960
  5. Step 5: Solve for x
    x = 156,456,093,315,464,232,960/11,987,290,252.64
  6. Step 6: Final answer
    x = 13,051,831,566.44

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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.