Home / 475,215,792.76-655,764,791.79-263,533,542.85

Finding the Fourth Proportional to 475,215,792.76, 655,764,791.79 and 263,533,542.85

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Solution

The fourth proportional to 475,215,792.76, 655,764,791.79 and 263,533,542.85 is: 363,657,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,215,792.76 : 655,764,791.79 = 263,533,542.85 : x
  2. Step 2: Convert to fraction form
    475,215,792.76/655,764,791.79 = 263,533,542.85/x
  3. Step 3: Cross multiply
    475,215,792.76x = 655,764,791.79 × 263,533,542.85
  4. Step 4: Simplify right side
    475,215,792.76x = 172,816,018,856,711,264
  5. Step 5: Solve for x
    x = 172,816,018,856,711,264/475,215,792.76
  6. Step 6: Final answer
    x = 363,657,987.57

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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.