Home / 1,664,395,449.60-2,298,409,660.80-1,245,981,331.20

Finding the Fourth Proportional to 1,664,395,449.60, 2,298,409,660.80 and 1,245,981,331.20

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Solution

The fourth proportional to 1,664,395,449.60, 2,298,409,660.80 and 1,245,981,331.20 is: 1,720,610,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,395,449.60 : 2,298,409,660.80 = 1,245,981,331.20 : x
  2. Step 2: Convert to fraction form
    1,664,395,449.60/2,298,409,660.80 = 1,245,981,331.20/x
  3. Step 3: Cross multiply
    1,664,395,449.60x = 2,298,409,660.80 × 1,245,981,331.20
  4. Step 4: Simplify right side
    1,664,395,449.60x = 2,863,775,528,806,524,928
  5. Step 5: Solve for x
    x = 2,863,775,528,806,524,928/1,664,395,449.60
  6. Step 6: Final answer
    x = 1,720,610,044.62

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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.