Home / 331,138,239.60-496,707,359.40-298,889,612.40

Finding the Fourth Proportional to 331,138,239.60, 496,707,359.40 and 298,889,612.40

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Solution

The fourth proportional to 331,138,239.60, 496,707,359.40 and 298,889,612.40 is: 448,334,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,138,239.60 : 496,707,359.40 = 298,889,612.40 : x
  2. Step 2: Convert to fraction form
    331,138,239.60/496,707,359.40 = 298,889,612.40/x
  3. Step 3: Cross multiply
    331,138,239.60x = 496,707,359.40 × 298,889,612.40
  4. Step 4: Simplify right side
    331,138,239.60x = 148,460,670,127,293,472
  5. Step 5: Solve for x
    x = 148,460,670,127,293,472/331,138,239.60
  6. Step 6: Final answer
    x = 448,334,418.60

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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.