Home / 1,121,806,884.28-1,682,744,607.02-384,866,451.44

Finding the Fourth Proportional to 1,121,806,884.28, 1,682,744,607.02 and 384,866,451.44

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Solution

The fourth proportional to 1,121,806,884.28, 1,682,744,607.02 and 384,866,451.44 is: 577,311,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,806,884.28 : 1,682,744,607.02 = 384,866,451.44 : x
  2. Step 2: Convert to fraction form
    1,121,806,884.28/1,682,744,607.02 = 384,866,451.44/x
  3. Step 3: Cross multiply
    1,121,806,884.28x = 1,682,744,607.02 × 384,866,451.44
  4. Step 4: Simplify right side
    1,121,806,884.28x = 647,631,945,583,584,640
  5. Step 5: Solve for x
    x = 647,631,945,583,584,640/1,121,806,884.28
  6. Step 6: Final answer
    x = 577,311,438.05

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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.