Home / 356,538,188.45-492,013,206.34-205,825,757.83

Finding the Fourth Proportional to 356,538,188.45, 492,013,206.34 and 205,825,757.83

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Solution

The fourth proportional to 356,538,188.45, 492,013,206.34 and 205,825,757.83 is: 284,034,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,538,188.45 : 492,013,206.34 = 205,825,757.83 : x
  2. Step 2: Convert to fraction form
    356,538,188.45/492,013,206.34 = 205,825,757.83/x
  3. Step 3: Cross multiply
    356,538,188.45x = 492,013,206.34 × 205,825,757.83
  4. Step 4: Simplify right side
    356,538,188.45x = 101,268,991,055,554,048
  5. Step 5: Solve for x
    x = 101,268,991,055,554,048/356,538,188.45
  6. Step 6: Final answer
    x = 284,034,065.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.