Home / 398,691,208.20-598,036,812.30-362,340,643.80

Finding the Fourth Proportional to 398,691,208.20, 598,036,812.30 and 362,340,643.80

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Solution

The fourth proportional to 398,691,208.20, 598,036,812.30 and 362,340,643.80 is: 543,510,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,691,208.20 : 598,036,812.30 = 362,340,643.80 : x
  2. Step 2: Convert to fraction form
    398,691,208.20/598,036,812.30 = 362,340,643.80/x
  3. Step 3: Cross multiply
    398,691,208.20x = 598,036,812.30 × 362,340,643.80
  4. Step 4: Simplify right side
    398,691,208.20x = 216,693,043,584,881,760
  5. Step 5: Solve for x
    x = 216,693,043,584,881,760/398,691,208.20
  6. Step 6: Final answer
    x = 543,510,965.70

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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.