Home / 331,138,238.10-496,707,357.15-298,889,610.90

Finding the Fourth Proportional to 331,138,238.10, 496,707,357.15 and 298,889,610.90

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Solution

The fourth proportional to 331,138,238.10, 496,707,357.15 and 298,889,610.90 is: 448,334,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,138,238.10 : 496,707,357.15 = 298,889,610.90 : x
  2. Step 2: Convert to fraction form
    331,138,238.10/496,707,357.15 = 298,889,610.90/x
  3. Step 3: Cross multiply
    331,138,238.10x = 496,707,357.15 × 298,889,610.90
  4. Step 4: Simplify right side
    331,138,238.10x = 148,460,668,709,730,816
  5. Step 5: Solve for x
    x = 148,460,668,709,730,816/331,138,238.10
  6. Step 6: Final answer
    x = 448,334,416.35

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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.