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Finding the Fourth Proportional to 449,033,783.70, 629,856,620.70 and 449,033,783.70

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Solution

The fourth proportional to 449,033,783.70, 629,856,620.70 and 449,033,783.70 is: 629,856,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,033,783.70 : 629,856,620.70 = 449,033,783.70 : x
  2. Step 2: Convert to fraction form
    449,033,783.70/629,856,620.70 = 449,033,783.70/x
  3. Step 3: Cross multiply
    449,033,783.70x = 629,856,620.70 × 449,033,783.70
  4. Step 4: Simplify right side
    449,033,783.70x = 282,826,901,581,416,768
  5. Step 5: Solve for x
    x = 282,826,901,581,416,768/449,033,783.70
  6. Step 6: Final answer
    x = 629,856,620.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.