Home / 3,981,696,038.40-5,972,544,057.60-3,159,356,044.80

Finding the Fourth Proportional to 3,981,696,038.40, 5,972,544,057.60 and 3,159,356,044.80

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Solution

The fourth proportional to 3,981,696,038.40, 5,972,544,057.60 and 3,159,356,044.80 is: 4,739,034,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,696,038.40 : 5,972,544,057.60 = 3,159,356,044.80 : x
  2. Step 2: Convert to fraction form
    3,981,696,038.40/5,972,544,057.60 = 3,159,356,044.80/x
  3. Step 3: Cross multiply
    3,981,696,038.40x = 5,972,544,057.60 × 3,159,356,044.80
  4. Step 4: Simplify right side
    3,981,696,038.40x = 18,869,393,171,212,881,920
  5. Step 5: Solve for x
    x = 18,869,393,171,212,881,920/3,981,696,038.40
  6. Step 6: Final answer
    x = 4,739,034,067.20

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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.