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Finding the Fourth Proportional to 3,485,384,465.90, 4,891,782,652.90 and 3,485,384,465.90

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Solution

The fourth proportional to 3,485,384,465.90, 4,891,782,652.90 and 3,485,384,465.90 is: 4,891,782,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,384,465.90 : 4,891,782,652.90 = 3,485,384,465.90 : x
  2. Step 2: Convert to fraction form
    3,485,384,465.90/4,891,782,652.90 = 3,485,384,465.90/x
  3. Step 3: Cross multiply
    3,485,384,465.90x = 4,891,782,652.90 × 3,485,384,465.90
  4. Step 4: Simplify right side
    3,485,384,465.90x = 17,049,743,268,976,750,592
  5. Step 5: Solve for x
    x = 17,049,743,268,976,750,592/3,485,384,465.90
  6. Step 6: Final answer
    x = 4,891,782,652.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.