Home / 331,330,578.40-496,995,867.60-239,497,573.60

Finding the Fourth Proportional to 331,330,578.40, 496,995,867.60 and 239,497,573.60

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Solution

The fourth proportional to 331,330,578.40, 496,995,867.60 and 239,497,573.60 is: 359,246,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330,578.40 : 496,995,867.60 = 239,497,573.60 : x
  2. Step 2: Convert to fraction form
    331,330,578.40/496,995,867.60 = 239,497,573.60/x
  3. Step 3: Cross multiply
    331,330,578.40x = 496,995,867.60 × 239,497,573.60
  4. Step 4: Simplify right side
    331,330,578.40x = 119,029,304,379,426,864
  5. Step 5: Solve for x
    x = 119,029,304,379,426,864/331,330,578.40
  6. Step 6: Final answer
    x = 359,246,360.40

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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.