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Finding the Fourth Proportional to 618,430,798.01, 925,627,333.57 and 454,625,197.85

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Solution

The fourth proportional to 618,430,798.01, 925,627,333.57 and 454,625,197.85 is: 680,453,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,430,798.01 : 925,627,333.57 = 454,625,197.85 : x
  2. Step 2: Convert to fraction form
    618,430,798.01/925,627,333.57 = 454,625,197.85/x
  3. Step 3: Cross multiply
    618,430,798.01x = 925,627,333.57 × 454,625,197.85
  4. Step 4: Simplify right side
    618,430,798.01x = 420,813,509,659,629,248
  5. Step 5: Solve for x
    x = 420,813,509,659,629,248/618,430,798.01
  6. Step 6: Final answer
    x = 680,453,675.68

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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.