Home / 3,143,401,272.45-4,715,101,908.68-2,990,346,264.45

Finding the Fourth Proportional to 3,143,401,272.45, 4,715,101,908.68 and 2,990,346,264.45

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Solution

The fourth proportional to 3,143,401,272.45, 4,715,101,908.68 and 2,990,346,264.45 is: 4,485,519,396.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,401,272.45 : 4,715,101,908.68 = 2,990,346,264.45 : x
  2. Step 2: Convert to fraction form
    3,143,401,272.45/4,715,101,908.68 = 2,990,346,264.45/x
  3. Step 3: Cross multiply
    3,143,401,272.45x = 4,715,101,908.68 × 2,990,346,264.45
  4. Step 4: Simplify right side
    3,143,401,272.45x = 14,099,787,379,107,350,528
  5. Step 5: Solve for x
    x = 14,099,787,379,107,350,528/3,143,401,272.45
  6. Step 6: Final answer
    x = 4,485,519,396.68

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Double scale
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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.