Home / 1,223,422,419.60-1,835,133,629.40-758,517,832.80

Finding the Fourth Proportional to 1,223,422,419.60, 1,835,133,629.40 and 758,517,832.80

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Solution

The fourth proportional to 1,223,422,419.60, 1,835,133,629.40 and 758,517,832.80 is: 1,137,776,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,422,419.60 : 1,835,133,629.40 = 758,517,832.80 : x
  2. Step 2: Convert to fraction form
    1,223,422,419.60/1,835,133,629.40 = 758,517,832.80/x
  3. Step 3: Cross multiply
    1,223,422,419.60x = 1,835,133,629.40 × 758,517,832.80
  4. Step 4: Simplify right side
    1,223,422,419.60x = 1,391,981,583,470,886,400
  5. Step 5: Solve for x
    x = 1,391,981,583,470,886,400/1,223,422,419.60
  6. Step 6: Final answer
    x = 1,137,776,749.20

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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.