Home / 456,987,581.82-685,002,946.20-191,245,549.24

Finding the Fourth Proportional to 456,987,581.82, 685,002,946.20 and 191,245,549.24

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Solution

The fourth proportional to 456,987,581.82, 685,002,946.20 and 191,245,549.24 is: 286,668,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,987,581.82 : 685,002,946.20 = 191,245,549.24 : x
  2. Step 2: Convert to fraction form
    456,987,581.82/685,002,946.20 = 191,245,549.24/x
  3. Step 3: Cross multiply
    456,987,581.82x = 685,002,946.20 × 191,245,549.24
  4. Step 4: Simplify right side
    456,987,581.82x = 131,003,764,675,251,392
  5. Step 5: Solve for x
    x = 131,003,764,675,251,392/456,987,581.82
  6. Step 6: Final answer
    x = 286,668,106.28

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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.