Home / 218,269,312.20-327,403,968.30-189,571,498.20

Finding the Fourth Proportional to 218,269,312.20, 327,403,968.30 and 189,571,498.20

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Solution

The fourth proportional to 218,269,312.20, 327,403,968.30 and 189,571,498.20 is: 284,357,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,269,312.20 : 327,403,968.30 = 189,571,498.20 : x
  2. Step 2: Convert to fraction form
    218,269,312.20/327,403,968.30 = 189,571,498.20/x
  3. Step 3: Cross multiply
    218,269,312.20x = 327,403,968.30 × 189,571,498.20
  4. Step 4: Simplify right side
    218,269,312.20x = 62,066,460,787,256,304
  5. Step 5: Solve for x
    x = 62,066,460,787,256,304/218,269,312.20
  6. Step 6: Final answer
    x = 284,357,247.30

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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.