Home / 326,745,442.89-490,262,898.73-171,262,299.56

Finding the Fourth Proportional to 326,745,442.89, 490,262,898.73 and 171,262,299.56

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Solution

The fourth proportional to 326,745,442.89, 490,262,898.73 and 171,262,299.56 is: 256,969,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,745,442.89 : 490,262,898.73 = 171,262,299.56 : x
  2. Step 2: Convert to fraction form
    326,745,442.89/490,262,898.73 = 171,262,299.56/x
  3. Step 3: Cross multiply
    326,745,442.89x = 490,262,898.73 × 171,262,299.56
  4. Step 4: Simplify right side
    326,745,442.89x = 83,963,551,425,653,888
  5. Step 5: Solve for x
    x = 83,963,551,425,653,888/326,745,442.89
  6. Step 6: Final answer
    x = 256,969,311.29

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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.