Home / 769,161,671.49-1,061,056,100.39-504,806,974.86

Finding the Fourth Proportional to 769,161,671.49, 1,061,056,100.39 and 504,806,974.86

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Solution

The fourth proportional to 769,161,671.49, 1,061,056,100.39 and 504,806,974.86 is: 696,379,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,161,671.49 : 1,061,056,100.39 = 504,806,974.86 : x
  2. Step 2: Convert to fraction form
    769,161,671.49/1,061,056,100.39 = 504,806,974.86/x
  3. Step 3: Cross multiply
    769,161,671.49x = 1,061,056,100.39 × 504,806,974.86
  4. Step 4: Simplify right side
    769,161,671.49x = 535,628,520,192,100,352
  5. Step 5: Solve for x
    x = 535,628,520,192,100,352/769,161,671.49
  6. Step 6: Final answer
    x = 696,379,629.99

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1.5x scale

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.