Home / 554,945,960.80-831,897,538.53-186,222,322.75

Finding the Fourth Proportional to 554,945,960.80, 831,897,538.53 and 186,222,322.75

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Solution

The fourth proportional to 554,945,960.80, 831,897,538.53 and 186,222,322.75 is: 279,158,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,945,960.80 : 831,897,538.53 = 186,222,322.75 : x
  2. Step 2: Convert to fraction form
    554,945,960.80/831,897,538.53 = 186,222,322.75/x
  3. Step 3: Cross multiply
    554,945,960.80x = 831,897,538.53 × 186,222,322.75
  4. Step 4: Simplify right side
    554,945,960.80x = 154,917,891,912,556,320
  5. Step 5: Solve for x
    x = 154,917,891,912,556,320/554,945,960.80
  6. Step 6: Final answer
    x = 279,158,517.87

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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.