Home / 7,989,968,258.60-11,981,979,536.70-2,748,105,141.80

Finding the Fourth Proportional to 7,989,968,258.60, 11,981,979,536.70 and 2,748,105,141.80

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Solution

The fourth proportional to 7,989,968,258.60, 11,981,979,536.70 and 2,748,105,141.80 is: 4,121,135,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,968,258.60 : 11,981,979,536.70 = 2,748,105,141.80 : x
  2. Step 2: Convert to fraction form
    7,989,968,258.60/11,981,979,536.70 = 2,748,105,141.80/x
  3. Step 3: Cross multiply
    7,989,968,258.60x = 11,981,979,536.70 × 2,748,105,141.80
  4. Step 4: Simplify right side
    7,989,968,258.60x = 32,927,739,573,747,654,656
  5. Step 5: Solve for x
    x = 32,927,739,573,747,654,656/7,989,968,258.60
  6. Step 6: Final answer
    x = 4,121,135,217.06

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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.