Home / 744,391,738.80-1,116,587,608.20-199,133,272.80

Finding the Fourth Proportional to 744,391,738.80, 1,116,587,608.20 and 199,133,272.80

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Solution

The fourth proportional to 744,391,738.80, 1,116,587,608.20 and 199,133,272.80 is: 298,699,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,391,738.80 : 1,116,587,608.20 = 199,133,272.80 : x
  2. Step 2: Convert to fraction form
    744,391,738.80/1,116,587,608.20 = 199,133,272.80/x
  3. Step 3: Cross multiply
    744,391,738.80x = 1,116,587,608.20 × 199,133,272.80
  4. Step 4: Simplify right side
    744,391,738.80x = 222,349,744,788,790,144
  5. Step 5: Solve for x
    x = 222,349,744,788,790,144/744,391,738.80
  6. Step 6: Final answer
    x = 298,699,909.20

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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.