Home / 3,711,309,255.80-5,121,627,020.35-2,185,463,966.84

Finding the Fourth Proportional to 3,711,309,255.80, 5,121,627,020.35 and 2,185,463,966.84

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Solution

The fourth proportional to 3,711,309,255.80, 5,121,627,020.35 and 2,185,463,966.84 is: 3,015,952,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,309,255.80 : 5,121,627,020.35 = 2,185,463,966.84 : x
  2. Step 2: Convert to fraction form
    3,711,309,255.80/5,121,627,020.35 = 2,185,463,966.84/x
  3. Step 3: Cross multiply
    3,711,309,255.80x = 5,121,627,020.35 × 2,185,463,966.84
  4. Step 4: Simplify right side
    3,711,309,255.80x = 11,193,131,304,537,968,640
  5. Step 5: Solve for x
    x = 11,193,131,304,537,968,640/3,711,309,255.80
  6. Step 6: Final answer
    x = 3,015,952,197.21

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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.