Home / 582,115,231.20-873,172,846.80-291,027,280.80

Finding the Fourth Proportional to 582,115,231.20, 873,172,846.80 and 291,027,280.80

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Solution

The fourth proportional to 582,115,231.20, 873,172,846.80 and 291,027,280.80 is: 436,540,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,115,231.20 : 873,172,846.80 = 291,027,280.80 : x
  2. Step 2: Convert to fraction form
    582,115,231.20/873,172,846.80 = 291,027,280.80/x
  3. Step 3: Cross multiply
    582,115,231.20x = 873,172,846.80 × 291,027,280.80
  4. Step 4: Simplify right side
    582,115,231.20x = 254,117,119,272,598,976
  5. Step 5: Solve for x
    x = 254,117,119,272,598,976/582,115,231.20
  6. Step 6: Final answer
    x = 436,540,921.20

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Double scale
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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.