Home / 823,416,899.40-1,235,195,100.77-263,259,484.97

Finding the Fourth Proportional to 823,416,899.40, 1,235,195,100.77 and 263,259,484.97

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Solution

The fourth proportional to 823,416,899.40, 1,235,195,100.77 and 263,259,484.97 is: 394,911,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,416,899.40 : 1,235,195,100.77 = 263,259,484.97 : x
  2. Step 2: Convert to fraction form
    823,416,899.40/1,235,195,100.77 = 263,259,484.97/x
  3. Step 3: Cross multiply
    823,416,899.40x = 1,235,195,100.77 × 263,259,484.97
  4. Step 4: Simplify right side
    823,416,899.40x = 325,176,826,058,685,184
  5. Step 5: Solve for x
    x = 325,176,826,058,685,184/823,416,899.40
  6. Step 6: Final answer
    x = 394,911,528.16

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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.