Home / 399,942,857.97-599,791,469.90-141,097,544.01

Finding the Fourth Proportional to 399,942,857.97, 599,791,469.90 and 141,097,544.01

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Solution

The fourth proportional to 399,942,857.97, 599,791,469.90 and 141,097,544.01 is: 211,602,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,942,857.97 : 599,791,469.90 = 141,097,544.01 : x
  2. Step 2: Convert to fraction form
    399,942,857.97/599,791,469.90 = 141,097,544.01/x
  3. Step 3: Cross multiply
    399,942,857.97x = 599,791,469.90 × 141,097,544.01
  4. Step 4: Simplify right side
    399,942,857.97x = 84,629,103,320,332,352
  5. Step 5: Solve for x
    x = 84,629,103,320,332,352/399,942,857.97
  6. Step 6: Final answer
    x = 211,602,986.86

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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.