Home / 3,612,791,137.77-4,985,247,401.50-2,005,313,894.58

Finding the Fourth Proportional to 3,612,791,137.77, 4,985,247,401.50 and 2,005,313,894.58

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Solution

The fourth proportional to 3,612,791,137.77, 4,985,247,401.50 and 2,005,313,894.58 is: 2,767,108,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,791,137.77 : 4,985,247,401.50 = 2,005,313,894.58 : x
  2. Step 2: Convert to fraction form
    3,612,791,137.77/4,985,247,401.50 = 2,005,313,894.58/x
  3. Step 3: Cross multiply
    3,612,791,137.77x = 4,985,247,401.50 × 2,005,313,894.58
  4. Step 4: Simplify right side
    3,612,791,137.77x = 9,996,985,882,141,777,920
  5. Step 5: Solve for x
    x = 9,996,985,882,141,777,920/3,612,791,137.77
  6. Step 6: Final answer
    x = 2,767,108,725.89

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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.