Home / 3,999,771,858.44-5,521,599,173.76-2,663,885,073.80

Finding the Fourth Proportional to 3,999,771,858.44, 5,521,599,173.76 and 2,663,885,073.80

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Solution

The fourth proportional to 3,999,771,858.44, 5,521,599,173.76 and 2,663,885,073.80 is: 3,677,436,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,771,858.44 : 5,521,599,173.76 = 2,663,885,073.80 : x
  2. Step 2: Convert to fraction form
    3,999,771,858.44/5,521,599,173.76 = 2,663,885,073.80/x
  3. Step 3: Cross multiply
    3,999,771,858.44x = 5,521,599,173.76 × 2,663,885,073.80
  4. Step 4: Simplify right side
    3,999,771,858.44x = 14,708,905,622,485,678,080
  5. Step 5: Solve for x
    x = 14,708,905,622,485,678,080/3,999,771,858.44
  6. Step 6: Final answer
    x = 3,677,436,149.63

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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.