Home / 1,121,806,890.27-1,682,744,616-384,866,457.48

Finding the Fourth Proportional to 1,121,806,890.27, 1,682,744,616 and 384,866,457.48

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Solution

The fourth proportional to 1,121,806,890.27, 1,682,744,616 and 384,866,457.48 is: 577,311,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,806,890.27 : 1,682,744,616 = 384,866,457.48 : x
  2. Step 2: Convert to fraction form
    1,121,806,890.27/1,682,744,616 = 384,866,457.48/x
  3. Step 3: Cross multiply
    1,121,806,890.27x = 1,682,744,616 × 384,866,457.48
  4. Step 4: Simplify right side
    1,121,806,890.27x = 647,631,959,203,462,912
  5. Step 5: Solve for x
    x = 647,631,959,203,462,912/1,121,806,890.27
  6. Step 6: Final answer
    x = 577,311,447.11

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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.