Home / 2,155,315,042.40-3,232,972,563.60-1,948,690,781.60

Finding the Fourth Proportional to 2,155,315,042.40, 3,232,972,563.60 and 1,948,690,781.60

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Solution

The fourth proportional to 2,155,315,042.40, 3,232,972,563.60 and 1,948,690,781.60 is: 2,923,036,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,315,042.40 : 3,232,972,563.60 = 1,948,690,781.60 : x
  2. Step 2: Convert to fraction form
    2,155,315,042.40/3,232,972,563.60 = 1,948,690,781.60/x
  3. Step 3: Cross multiply
    2,155,315,042.40x = 3,232,972,563.60 × 1,948,690,781.60
  4. Step 4: Simplify right side
    2,155,315,042.40x = 6,300,063,831,853,039,616
  5. Step 5: Solve for x
    x = 6,300,063,831,853,039,616/2,155,315,042.40
  6. Step 6: Final answer
    x = 2,923,036,172.40

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Similar ratio
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1.5x scale

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.