Home / 805,010,643.60-1,206,878,236.20-441,504,999.60

Finding the Fourth Proportional to 805,010,643.60, 1,206,878,236.20 and 441,504,999.60

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Solution

The fourth proportional to 805,010,643.60, 1,206,878,236.20 and 441,504,999.60 is: 661,907,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,010,643.60 : 1,206,878,236.20 = 441,504,999.60 : x
  2. Step 2: Convert to fraction form
    805,010,643.60/1,206,878,236.20 = 441,504,999.60/x
  3. Step 3: Cross multiply
    805,010,643.60x = 1,206,878,236.20 × 441,504,999.60
  4. Step 4: Simplify right side
    805,010,643.60x = 532,842,775,190,729,728
  5. Step 5: Solve for x
    x = 532,842,775,190,729,728/805,010,643.60
  6. Step 6: Final answer
    x = 661,907,739.27

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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.