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Finding the Fourth Proportional to 7,189,180,429.80, 10,093,876,366.20 and 7,189,180,429.80

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Solution

The fourth proportional to 7,189,180,429.80, 10,093,876,366.20 and 7,189,180,429.80 is: 10,093,876,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,180,429.80 : 10,093,876,366.20 = 7,189,180,429.80 : x
  2. Step 2: Convert to fraction form
    7,189,180,429.80/10,093,876,366.20 = 7,189,180,429.80/x
  3. Step 3: Cross multiply
    7,189,180,429.80x = 10,093,876,366.20 × 7,189,180,429.80
  4. Step 4: Simplify right side
    7,189,180,429.80x = 72,566,698,432,705,781,760
  5. Step 5: Solve for x
    x = 72,566,698,432,705,781,760/7,189,180,429.80
  6. Step 6: Final answer
    x = 10,093,876,366.20

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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.