Home / 2,821,693,460.45-3,890,322,238.74-2,311,175,455.17

Finding the Fourth Proportional to 2,821,693,460.45, 3,890,322,238.74 and 2,311,175,455.17

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Solution

The fourth proportional to 2,821,693,460.45, 3,890,322,238.74 and 2,311,175,455.17 is: 3,186,461,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,693,460.45 : 3,890,322,238.74 = 2,311,175,455.17 : x
  2. Step 2: Convert to fraction form
    2,821,693,460.45/3,890,322,238.74 = 2,311,175,455.17/x
  3. Step 3: Cross multiply
    2,821,693,460.45x = 3,890,322,238.74 × 2,311,175,455.17
  4. Step 4: Simplify right side
    2,821,693,460.45x = 8,991,217,270,877,892,608
  5. Step 5: Solve for x
    x = 8,991,217,270,877,892,608/2,821,693,460.45
  6. Step 6: Final answer
    x = 3,186,461,391.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.