Home / 653,253,563.16-901,487,198.40-355,894,879.56

Finding the Fourth Proportional to 653,253,563.16, 901,487,198.40 and 355,894,879.56

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Solution

The fourth proportional to 653,253,563.16, 901,487,198.40 and 355,894,879.56 is: 491,133,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,253,563.16 : 901,487,198.40 = 355,894,879.56 : x
  2. Step 2: Convert to fraction form
    653,253,563.16/901,487,198.40 = 355,894,879.56/x
  3. Step 3: Cross multiply
    653,253,563.16x = 901,487,198.40 × 355,894,879.56
  4. Step 4: Simplify right side
    653,253,563.16x = 320,834,677,899,449,792
  5. Step 5: Solve for x
    x = 320,834,677,899,449,792/653,253,563.16
  6. Step 6: Final answer
    x = 491,133,452.60

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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.