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Finding the Fourth Proportional to 1,993,401,712.35, 2,990,102,568.53 and 1,993,401,712.35

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Solution

The fourth proportional to 1,993,401,712.35, 2,990,102,568.53 and 1,993,401,712.35 is: 2,990,102,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,401,712.35 : 2,990,102,568.53 = 1,993,401,712.35 : x
  2. Step 2: Convert to fraction form
    1,993,401,712.35/2,990,102,568.53 = 1,993,401,712.35/x
  3. Step 3: Cross multiply
    1,993,401,712.35x = 2,990,102,568.53 × 1,993,401,712.35
  4. Step 4: Simplify right side
    1,993,401,712.35x = 5,960,475,580,199,868,416
  5. Step 5: Solve for x
    x = 5,960,475,580,199,868,416/1,993,401,712.35
  6. Step 6: Final answer
    x = 2,990,102,568.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.