Home / 3,914,123,811.66-5,401,491,647.67-2,153,991,219.66

Finding the Fourth Proportional to 3,914,123,811.66, 5,401,491,647.67 and 2,153,991,219.66

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Solution

The fourth proportional to 3,914,123,811.66, 5,401,491,647.67 and 2,153,991,219.66 is: 2,972,508,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,123,811.66 : 5,401,491,647.67 = 2,153,991,219.66 : x
  2. Step 2: Convert to fraction form
    3,914,123,811.66/5,401,491,647.67 = 2,153,991,219.66/x
  3. Step 3: Cross multiply
    3,914,123,811.66x = 5,401,491,647.67 × 2,153,991,219.66
  4. Step 4: Simplify right side
    3,914,123,811.66x = 11,634,765,582,148,005,888
  5. Step 5: Solve for x
    x = 11,634,765,582,148,005,888/3,914,123,811.66
  6. Step 6: Final answer
    x = 2,972,508,316.55

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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.