Home / 15,274,195,364.08-21,078,237,311.04-8,499,897,910.12

Finding the Fourth Proportional to 15,274,195,364.08, 21,078,237,311.04 and 8,499,897,910.12

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Solution

The fourth proportional to 15,274,195,364.08, 21,078,237,311.04 and 8,499,897,910.12 is: 11,729,774,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274,195,364.08 : 21,078,237,311.04 = 8,499,897,910.12 : x
  2. Step 2: Convert to fraction form
    15,274,195,364.08/21,078,237,311.04 = 8,499,897,910.12/x
  3. Step 3: Cross multiply
    15,274,195,364.08x = 21,078,237,311.04 × 8,499,897,910.12
  4. Step 4: Simplify right side
    15,274,195,364.08x = 179,162,865,269,122,301,952
  5. Step 5: Solve for x
    x = 179,162,865,269,122,301,952/15,274,195,364.08
  6. Step 6: Final answer
    x = 11,729,774,367.72

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Double scale
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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.