Home / 1,809,981,122.40-2,714,971,683.60-719,464,190.40

Finding the Fourth Proportional to 1,809,981,122.40, 2,714,971,683.60 and 719,464,190.40

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Solution

The fourth proportional to 1,809,981,122.40, 2,714,971,683.60 and 719,464,190.40 is: 1,079,196,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,981,122.40 : 2,714,971,683.60 = 719,464,190.40 : x
  2. Step 2: Convert to fraction form
    1,809,981,122.40/2,714,971,683.60 = 719,464,190.40/x
  3. Step 3: Cross multiply
    1,809,981,122.40x = 2,714,971,683.60 × 719,464,190.40
  4. Step 4: Simplify right side
    1,809,981,122.40x = 1,953,324,904,300,198,912
  5. Step 5: Solve for x
    x = 1,953,324,904,300,198,912/1,809,981,122.40
  6. Step 6: Final answer
    x = 1,079,196,285.60

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Double scale
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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.