Home / 2,129,449,113.60-3,194,173,670.40-1,766,652,057.60

Finding the Fourth Proportional to 2,129,449,113.60, 3,194,173,670.40 and 1,766,652,057.60

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Solution

The fourth proportional to 2,129,449,113.60, 3,194,173,670.40 and 1,766,652,057.60 is: 2,649,978,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,449,113.60 : 3,194,173,670.40 = 1,766,652,057.60 : x
  2. Step 2: Convert to fraction form
    2,129,449,113.60/3,194,173,670.40 = 1,766,652,057.60/x
  3. Step 3: Cross multiply
    2,129,449,113.60x = 3,194,173,670.40 × 1,766,652,057.60
  4. Step 4: Simplify right side
    2,129,449,113.60x = 5,642,993,487,143,904,256
  5. Step 5: Solve for x
    x = 5,642,993,487,143,904,256/2,129,449,113.60
  6. Step 6: Final answer
    x = 2,649,978,086.40

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Double scale
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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.