Home / 755,936,019.20-1,133,904,028.80-210,677,553.20

Finding the Fourth Proportional to 755,936,019.20, 1,133,904,028.80 and 210,677,553.20

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Solution

The fourth proportional to 755,936,019.20, 1,133,904,028.80 and 210,677,553.20 is: 316,016,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,936,019.20 : 1,133,904,028.80 = 210,677,553.20 : x
  2. Step 2: Convert to fraction form
    755,936,019.20/1,133,904,028.80 = 210,677,553.20/x
  3. Step 3: Cross multiply
    755,936,019.20x = 1,133,904,028.80 × 210,677,553.20
  4. Step 4: Simplify right side
    755,936,019.20x = 238,888,126,351,206,304
  5. Step 5: Solve for x
    x = 238,888,126,351,206,304/755,936,019.20
  6. Step 6: Final answer
    x = 316,016,329.80

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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.