Home / 2,810,902,102.30-3,879,045,268.86-1,557,919,851.22

Finding the Fourth Proportional to 2,810,902,102.30, 3,879,045,268.86 and 1,557,919,851.22

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Solution

The fourth proportional to 2,810,902,102.30, 3,879,045,268.86 and 1,557,919,851.22 is: 2,149,929,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,902,102.30 : 3,879,045,268.86 = 1,557,919,851.22 : x
  2. Step 2: Convert to fraction form
    2,810,902,102.30/3,879,045,268.86 = 1,557,919,851.22/x
  3. Step 3: Cross multiply
    2,810,902,102.30x = 3,879,045,268.86 × 1,557,919,851.22
  4. Step 4: Simplify right side
    2,810,902,102.30x = 6,043,241,628,138,016,768
  5. Step 5: Solve for x
    x = 6,043,241,628,138,016,768/2,810,902,102.30
  6. Step 6: Final answer
    x = 2,149,929,598.47

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1.5x scale

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.