Home / 15,694,874,707.56-21,658,768,985.34-8,558,270,479.32

Finding the Fourth Proportional to 15,694,874,707.56, 21,658,768,985.34 and 8,558,270,479.32

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Solution

The fourth proportional to 15,694,874,707.56, 21,658,768,985.34 and 8,558,270,479.32 is: 11,810,327,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694,874,707.56 : 21,658,768,985.34 = 8,558,270,479.32 : x
  2. Step 2: Convert to fraction form
    15,694,874,707.56/21,658,768,985.34 = 8,558,270,479.32/x
  3. Step 3: Cross multiply
    15,694,874,707.56x = 21,658,768,985.34 × 8,558,270,479.32
  4. Step 4: Simplify right side
    15,694,874,707.56x = 185,361,603,225,646,891,008
  5. Step 5: Solve for x
    x = 185,361,603,225,646,891,008/15,694,874,707.56
  6. Step 6: Final answer
    x = 11,810,327,044.94

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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.