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Finding the Fourth Proportional to 613,193,616,005.20, 919,790,424,007.80 and 613,193,616,005.20

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Solution

The fourth proportional to 613,193,616,005.20, 919,790,424,007.80 and 613,193,616,005.20 is: 919,790,424,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,193,616,005.20 : 919,790,424,007.80 = 613,193,616,005.20 : x
  2. Step 2: Convert to fraction form
    613,193,616,005.20/919,790,424,007.80 = 613,193,616,005.20/x
  3. Step 3: Cross multiply
    613,193,616,005.20x = 919,790,424,007.80 × 613,193,616,005.20
  4. Step 4: Simplify right side
    613,193,616,005.20x = 564,009,616,064,299,004,854,272
  5. Step 5: Solve for x
    x = 564,009,616,064,299,004,854,272/613,193,616,005.20
  6. Step 6: Final answer
    x = 919,790,424,007.80

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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.