Home / 406,993,887.35-610,741,937.57-188,603,522.81

Finding the Fourth Proportional to 406,993,887.35, 610,741,937.57 and 188,603,522.81

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Solution

The fourth proportional to 406,993,887.35, 610,741,937.57 and 188,603,522.81 is: 283,021,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,993,887.35 : 610,741,937.57 = 188,603,522.81 : x
  2. Step 2: Convert to fraction form
    406,993,887.35/610,741,937.57 = 188,603,522.81/x
  3. Step 3: Cross multiply
    406,993,887.35x = 610,741,937.57 × 188,603,522.81
  4. Step 4: Simplify right side
    406,993,887.35x = 115,188,080,949,510,384
  5. Step 5: Solve for x
    x = 115,188,080,949,510,384/406,993,887.35
  6. Step 6: Final answer
    x = 283,021,648.56

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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.