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Finding the Fourth Proportional to 2,991,817,481.85, 4,487,726,222.78 and 2,991,817,481.85

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Solution

The fourth proportional to 2,991,817,481.85, 4,487,726,222.78 and 2,991,817,481.85 is: 4,487,726,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,817,481.85 : 4,487,726,222.78 = 2,991,817,481.85 : x
  2. Step 2: Convert to fraction form
    2,991,817,481.85/4,487,726,222.78 = 2,991,817,481.85/x
  3. Step 3: Cross multiply
    2,991,817,481.85x = 4,487,726,222.78 × 2,991,817,481.85
  4. Step 4: Simplify right side
    2,991,817,481.85x = 13,426,457,767,054,911,488
  5. Step 5: Solve for x
    x = 13,426,457,767,054,911,488/2,991,817,481.85
  6. Step 6: Final answer
    x = 4,487,726,222.78

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1.5x scale

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.