Home / 439,087,491.56-658,644,884.22-162,807,455.72

Finding the Fourth Proportional to 439,087,491.56, 658,644,884.22 and 162,807,455.72

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Solution

The fourth proportional to 439,087,491.56, 658,644,884.22 and 162,807,455.72 is: 244,216,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,087,491.56 : 658,644,884.22 = 162,807,455.72 : x
  2. Step 2: Convert to fraction form
    439,087,491.56/658,644,884.22 = 162,807,455.72/x
  3. Step 3: Cross multiply
    439,087,491.56x = 658,644,884.22 × 162,807,455.72
  4. Step 4: Simplify right side
    439,087,491.56x = 107,232,297,825,109,312
  5. Step 5: Solve for x
    x = 107,232,297,825,109,312/439,087,491.56
  6. Step 6: Final answer
    x = 244,216,243.65

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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.