Home / 265,624,486.40-398,436,729.60-192,498,204.80

Finding the Fourth Proportional to 265,624,486.40, 398,436,729.60 and 192,498,204.80

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Solution

The fourth proportional to 265,624,486.40, 398,436,729.60 and 192,498,204.80 is: 288,747,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,624,486.40 : 398,436,729.60 = 192,498,204.80 : x
  2. Step 2: Convert to fraction form
    265,624,486.40/398,436,729.60 = 192,498,204.80/x
  3. Step 3: Cross multiply
    265,624,486.40x = 398,436,729.60 × 192,498,204.80
  4. Step 4: Simplify right side
    265,624,486.40x = 76,698,355,174,383,024
  5. Step 5: Solve for x
    x = 76,698,355,174,383,024/265,624,486.40
  6. Step 6: Final answer
    x = 288,747,307.20

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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.