Home / 605,078,780.44-907,882,168.06-211,887,812.66

Finding the Fourth Proportional to 605,078,780.44, 907,882,168.06 and 211,887,812.66

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Solution

The fourth proportional to 605,078,780.44, 907,882,168.06 and 211,887,812.66 is: 317,924,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,078,780.44 : 907,882,168.06 = 211,887,812.66 : x
  2. Step 2: Convert to fraction form
    605,078,780.44/907,882,168.06 = 211,887,812.66/x
  3. Step 3: Cross multiply
    605,078,780.44x = 907,882,168.06 × 211,887,812.66
  4. Step 4: Simplify right side
    605,078,780.44x = 192,369,166,743,251,904
  5. Step 5: Solve for x
    x = 192,369,166,743,251,904/605,078,780.44
  6. Step 6: Final answer
    x = 317,924,166.18

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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.