Home / 12,319,385,614.60-18,478,876,484.51-3,925,177,215.06

Finding the Fourth Proportional to 12,319,385,614.60, 18,478,876,484.51 and 3,925,177,215.06

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Solution

The fourth proportional to 12,319,385,614.60, 18,478,876,484.51 and 3,925,177,215.06 is: 5,887,701,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319,385,614.60 : 18,478,876,484.51 = 3,925,177,215.06 : x
  2. Step 2: Convert to fraction form
    12,319,385,614.60/18,478,876,484.51 = 3,925,177,215.06/x
  3. Step 3: Cross multiply
    12,319,385,614.60x = 18,478,876,484.51 × 3,925,177,215.06
  4. Step 4: Simplify right side
    12,319,385,614.60x = 72,532,864,936,906,678,272
  5. Step 5: Solve for x
    x = 72,532,864,936,906,678,272/12,319,385,614.60
  6. Step 6: Final answer
    x = 5,887,701,481.72

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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.