Home / 885,100,999.20-1,327,651,498.80-839,751,367.20

Finding the Fourth Proportional to 885,100,999.20, 1,327,651,498.80 and 839,751,367.20

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Solution

The fourth proportional to 885,100,999.20, 1,327,651,498.80 and 839,751,367.20 is: 1,259,627,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,100,999.20 : 1,327,651,498.80 = 839,751,367.20 : x
  2. Step 2: Convert to fraction form
    885,100,999.20/1,327,651,498.80 = 839,751,367.20/x
  3. Step 3: Cross multiply
    885,100,999.20x = 1,327,651,498.80 × 839,751,367.20
  4. Step 4: Simplify right side
    885,100,999.20x = 1,114,897,161,282,429,184
  5. Step 5: Solve for x
    x = 1,114,897,161,282,429,184/885,100,999.20
  6. Step 6: Final answer
    x = 1,259,627,050.80

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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.