Home / 3,868,541,161.12-5,802,808,196.72-1,212,616,343.44

Finding the Fourth Proportional to 3,868,541,161.12, 5,802,808,196.72 and 1,212,616,343.44

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Solution

The fourth proportional to 3,868,541,161.12, 5,802,808,196.72 and 1,212,616,343.44 is: 1,818,923,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,541,161.12 : 5,802,808,196.72 = 1,212,616,343.44 : x
  2. Step 2: Convert to fraction form
    3,868,541,161.12/5,802,808,196.72 = 1,212,616,343.44/x
  3. Step 3: Cross multiply
    3,868,541,161.12x = 5,802,808,196.72 × 1,212,616,343.44
  4. Step 4: Simplify right side
    3,868,541,161.12x = 7,036,580,057,190,266,880
  5. Step 5: Solve for x
    x = 7,036,580,057,190,266,880/3,868,541,161.12
  6. Step 6: Final answer
    x = 1,818,923,403.97

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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.