Home / 1,692,256,955.40-2,335,387,535.04-939,570,168.05

Finding the Fourth Proportional to 1,692,256,955.40, 2,335,387,535.04 and 939,570,168.05

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Solution

The fourth proportional to 1,692,256,955.40, 2,335,387,535.04 and 939,570,168.05 is: 1,296,647,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,256,955.40 : 2,335,387,535.04 = 939,570,168.05 : x
  2. Step 2: Convert to fraction form
    1,692,256,955.40/2,335,387,535.04 = 939,570,168.05/x
  3. Step 3: Cross multiply
    1,692,256,955.40x = 2,335,387,535.04 × 939,570,168.05
  4. Step 4: Simplify right side
    1,692,256,955.40x = 2,194,260,458,759,407,872
  5. Step 5: Solve for x
    x = 2,194,260,458,759,407,872/1,692,256,955.40
  6. Step 6: Final answer
    x = 1,296,647,327.56

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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.