Home / 3,981,317,963.10-5,971,976,944.65-1,220,925,054.30

Finding the Fourth Proportional to 3,981,317,963.10, 5,971,976,944.65 and 1,220,925,054.30

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Solution

The fourth proportional to 3,981,317,963.10, 5,971,976,944.65 and 1,220,925,054.30 is: 1,831,387,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,317,963.10 : 5,971,976,944.65 = 1,220,925,054.30 : x
  2. Step 2: Convert to fraction form
    3,981,317,963.10/5,971,976,944.65 = 1,220,925,054.30/x
  3. Step 3: Cross multiply
    3,981,317,963.10x = 5,971,976,944.65 × 1,220,925,054.30
  4. Step 4: Simplify right side
    3,981,317,963.10x = 7,291,336,275,425,148,928
  5. Step 5: Solve for x
    x = 7,291,336,275,425,148,928/3,981,317,963.10
  6. Step 6: Final answer
    x = 1,831,387,581.45

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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.