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Finding the Fourth Proportional to 4,735,134,500.80, 6,640,072,212.80 and 4,735,134,500.80

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Solution

The fourth proportional to 4,735,134,500.80, 6,640,072,212.80 and 4,735,134,500.80 is: 6,640,072,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735,134,500.80 : 6,640,072,212.80 = 4,735,134,500.80 : x
  2. Step 2: Convert to fraction form
    4,735,134,500.80/6,640,072,212.80 = 4,735,134,500.80/x
  3. Step 3: Cross multiply
    4,735,134,500.80x = 6,640,072,212.80 × 4,735,134,500.80
  4. Step 4: Simplify right side
    4,735,134,500.80x = 31,441,635,022,632,681,472
  5. Step 5: Solve for x
    x = 31,441,635,022,632,681,472/4,735,134,500.80
  6. Step 6: Final answer
    x = 6,640,072,212.80

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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.