Home / 275,509,266.79-380,202,766.91-151,749,943.92

Finding the Fourth Proportional to 275,509,266.79, 380,202,766.91 and 151,749,943.92

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Solution

The fourth proportional to 275,509,266.79, 380,202,766.91 and 151,749,943.92 is: 209,414,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,509,266.79 : 380,202,766.91 = 151,749,943.92 : x
  2. Step 2: Convert to fraction form
    275,509,266.79/380,202,766.91 = 151,749,943.92/x
  3. Step 3: Cross multiply
    275,509,266.79x = 380,202,766.91 × 151,749,943.92
  4. Step 4: Simplify right side
    275,509,266.79x = 57,695,748,556,821,328
  5. Step 5: Solve for x
    x = 57,695,748,556,821,328/275,509,266.79
  6. Step 6: Final answer
    x = 209,414,910.90

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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.