Home / 264,304,428.80-396,456,643.20-196,279,980.80

Finding the Fourth Proportional to 264,304,428.80, 396,456,643.20 and 196,279,980.80

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Solution

The fourth proportional to 264,304,428.80, 396,456,643.20 and 196,279,980.80 is: 294,419,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,304,428.80 : 396,456,643.20 = 196,279,980.80 : x
  2. Step 2: Convert to fraction form
    264,304,428.80/396,456,643.20 = 196,279,980.80/x
  3. Step 3: Cross multiply
    264,304,428.80x = 396,456,643.20 × 196,279,980.80
  4. Step 4: Simplify right side
    264,304,428.80x = 77,816,502,315,328,448
  5. Step 5: Solve for x
    x = 77,816,502,315,328,448/264,304,428.80
  6. Step 6: Final answer
    x = 294,419,971.20

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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.