Home / 538,051,207.80-807,218,529.30-192,968,851.80

Finding the Fourth Proportional to 538,051,207.80, 807,218,529.30 and 192,968,851.80

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Solution

The fourth proportional to 538,051,207.80, 807,218,529.30 and 192,968,851.80 is: 289,504,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,051,207.80 : 807,218,529.30 = 192,968,851.80 : x
  2. Step 2: Convert to fraction form
    538,051,207.80/807,218,529.30 = 192,968,851.80/x
  3. Step 3: Cross multiply
    538,051,207.80x = 807,218,529.30 × 192,968,851.80
  4. Step 4: Simplify right side
    538,051,207.80x = 155,768,032,750,705,664
  5. Step 5: Solve for x
    x = 155,768,032,750,705,664/538,051,207.80
  6. Step 6: Final answer
    x = 289,504,103.87

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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.