Home / 39,808,089,793.44-54,934,837,380.24-21,743,617,518.24

Finding the Fourth Proportional to 39,808,089,793.44, 54,934,837,380.24 and 21,743,617,518.24

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Solution

The fourth proportional to 39,808,089,793.44, 54,934,837,380.24 and 21,743,617,518.24 is: 30,006,013,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808,089,793.44 : 54,934,837,380.24 = 21,743,617,518.24 : x
  2. Step 2: Convert to fraction form
    39,808,089,793.44/54,934,837,380.24 = 21,743,617,518.24/x
  3. Step 3: Cross multiply
    39,808,089,793.44x = 54,934,837,380.24 × 21,743,617,518.24
  4. Step 4: Simplify right side
    39,808,089,793.44x = 1,194,482,092,422,651,969,536
  5. Step 5: Solve for x
    x = 1,194,482,092,422,651,969,536/39,808,089,793.44
  6. Step 6: Final answer
    x = 30,006,013,818.31

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Double scale
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1.5x scale

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.