Home / 400,171,053.95-600,461,780.82-193,086,072.56

Finding the Fourth Proportional to 400,171,053.95, 600,461,780.82 and 193,086,072.56

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Solution

The fourth proportional to 400,171,053.95, 600,461,780.82 and 193,086,072.56 is: 289,728,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,171,053.95 : 600,461,780.82 = 193,086,072.56 : x
  2. Step 2: Convert to fraction form
    400,171,053.95/600,461,780.82 = 193,086,072.56/x
  3. Step 3: Cross multiply
    400,171,053.95x = 600,461,780.82 × 193,086,072.56
  4. Step 4: Simplify right side
    400,171,053.95x = 115,940,806,977,915,040
  5. Step 5: Solve for x
    x = 115,940,806,977,915,040/400,171,053.95
  6. Step 6: Final answer
    x = 289,728,119.60

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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.