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Finding the Fourth Proportional to 2,173,123,905.80, 3,259,685,858.70 and 2,173,123,905.80

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Solution

The fourth proportional to 2,173,123,905.80, 3,259,685,858.70 and 2,173,123,905.80 is: 3,259,685,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,123,905.80 : 3,259,685,858.70 = 2,173,123,905.80 : x
  2. Step 2: Convert to fraction form
    2,173,123,905.80/3,259,685,858.70 = 2,173,123,905.80/x
  3. Step 3: Cross multiply
    2,173,123,905.80x = 3,259,685,858.70 × 2,173,123,905.80
  4. Step 4: Simplify right side
    2,173,123,905.80x = 7,083,701,264,939,170,816
  5. Step 5: Solve for x
    x = 7,083,701,264,939,170,816/2,173,123,905.80
  6. Step 6: Final answer
    x = 3,259,685,858.70

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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.