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Finding the Fourth Proportional to 84,598,809,747.30, 126,898,214,620.95 and 84,598,809,747.30

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Solution

The fourth proportional to 84,598,809,747.30, 126,898,214,620.95 and 84,598,809,747.30 is: 126,898,214,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,598,809,747.30 : 126,898,214,620.95 = 84,598,809,747.30 : x
  2. Step 2: Convert to fraction form
    84,598,809,747.30/126,898,214,620.95 = 84,598,809,747.30/x
  3. Step 3: Cross multiply
    84,598,809,747.30x = 126,898,214,620.95 × 84,598,809,747.30
  4. Step 4: Simplify right side
    84,598,809,747.30x = 10,735,437,915,989,791,997,952
  5. Step 5: Solve for x
    x = 10,735,437,915,989,791,997,952/84,598,809,747.30
  6. Step 6: Final answer
    x = 126,898,214,620.95

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Double scale
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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.