Home / 1,306,167,936.03-1,958,529,144.29-518,423,570.55

Finding the Fourth Proportional to 1,306,167,936.03, 1,958,529,144.29 and 518,423,570.55

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Solution

The fourth proportional to 1,306,167,936.03, 1,958,529,144.29 and 518,423,570.55 is: 777,348,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,167,936.03 : 1,958,529,144.29 = 518,423,570.55 : x
  2. Step 2: Convert to fraction form
    1,306,167,936.03/1,958,529,144.29 = 518,423,570.55/x
  3. Step 3: Cross multiply
    1,306,167,936.03x = 1,958,529,144.29 × 518,423,570.55
  4. Step 4: Simplify right side
    1,306,167,936.03x = 1,015,347,672,008,367,872
  5. Step 5: Solve for x
    x = 1,015,347,672,008,367,872/1,306,167,936.03
  6. Step 6: Final answer
    x = 777,348,489.42

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Double scale
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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.