Home / 339,980,545.60-509,970,818.40-109,972,880.80

Finding the Fourth Proportional to 339,980,545.60, 509,970,818.40 and 109,972,880.80

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Solution

The fourth proportional to 339,980,545.60, 509,970,818.40 and 109,972,880.80 is: 164,959,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,980,545.60 : 509,970,818.40 = 109,972,880.80 : x
  2. Step 2: Convert to fraction form
    339,980,545.60/509,970,818.40 = 109,972,880.80/x
  3. Step 3: Cross multiply
    339,980,545.60x = 509,970,818.40 × 109,972,880.80
  4. Step 4: Simplify right side
    339,980,545.60x = 56,082,960,023,381,640
  5. Step 5: Solve for x
    x = 56,082,960,023,381,640/339,980,545.60
  6. Step 6: Final answer
    x = 164,959,321.20

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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.