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Finding the Fourth Proportional to 8,072,757,708.30, 12,109,136,562.45 and 8,072,757,708.30

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Solution

The fourth proportional to 8,072,757,708.30, 12,109,136,562.45 and 8,072,757,708.30 is: 12,109,136,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,757,708.30 : 12,109,136,562.45 = 8,072,757,708.30 : x
  2. Step 2: Convert to fraction form
    8,072,757,708.30/12,109,136,562.45 = 8,072,757,708.30/x
  3. Step 3: Cross multiply
    8,072,757,708.30x = 12,109,136,562.45 × 8,072,757,708.30
  4. Step 4: Simplify right side
    8,072,757,708.30x = 97,754,125,525,375,614,976
  5. Step 5: Solve for x
    x = 97,754,125,525,375,614,976/8,072,757,708.30
  6. Step 6: Final answer
    x = 12,109,136,562.45

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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.