Home / 941,235,098.20-1,412,025,027.08-388,235,858.32

Finding the Fourth Proportional to 941,235,098.20, 1,412,025,027.08 and 388,235,858.32

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Solution

The fourth proportional to 941,235,098.20, 1,412,025,027.08 and 388,235,858.32 is: 582,424,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,235,098.20 : 1,412,025,027.08 = 388,235,858.32 : x
  2. Step 2: Convert to fraction form
    941,235,098.20/1,412,025,027.08 = 388,235,858.32/x
  3. Step 3: Cross multiply
    941,235,098.20x = 1,412,025,027.08 × 388,235,858.32
  4. Step 4: Simplify right side
    941,235,098.20x = 548,198,748,357,724,992
  5. Step 5: Solve for x
    x = 548,198,748,357,724,992/941,235,098.20
  6. Step 6: Final answer
    x = 582,424,889.81

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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.