Home / 840,541,171.20-1,259,111,145.60-582,048,268.80

Finding the Fourth Proportional to 840,541,171.20, 1,259,111,145.60 and 582,048,268.80

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Solution

The fourth proportional to 840,541,171.20, 1,259,111,145.60 and 582,048,268.80 is: 871,894,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,541,171.20 : 1,259,111,145.60 = 582,048,268.80 : x
  2. Step 2: Convert to fraction form
    840,541,171.20/1,259,111,145.60 = 582,048,268.80/x
  3. Step 3: Cross multiply
    840,541,171.20x = 1,259,111,145.60 × 582,048,268.80
  4. Step 4: Simplify right side
    840,541,171.20x = 732,863,462,523,264,640
  5. Step 5: Solve for x
    x = 732,863,462,523,264,640/840,541,171.20
  6. Step 6: Final answer
    x = 871,894,783.54

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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.