Home / 1,513,986,089.94-2,089,213,634.24-844,878,620.39

Finding the Fourth Proportional to 1,513,986,089.94, 2,089,213,634.24 and 844,878,620.39

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Solution

The fourth proportional to 1,513,986,089.94, 2,089,213,634.24 and 844,878,620.39 is: 1,165,883,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,986,089.94 : 2,089,213,634.24 = 844,878,620.39 : x
  2. Step 2: Convert to fraction form
    1,513,986,089.94/2,089,213,634.24 = 844,878,620.39/x
  3. Step 3: Cross multiply
    1,513,986,089.94x = 2,089,213,634.24 × 844,878,620.39
  4. Step 4: Simplify right side
    1,513,986,089.94x = 1,765,131,932,997,667,840
  5. Step 5: Solve for x
    x = 1,765,131,932,997,667,840/1,513,986,089.94
  6. Step 6: Final answer
    x = 1,165,883,851.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.