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Finding the Fourth Proportional to 76,947,430,200.60, 115,237,479,291.30 and 76,947,430,200.60

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Solution

The fourth proportional to 76,947,430,200.60, 115,237,479,291.30 and 76,947,430,200.60 is: 115,237,479,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,947,430,200.60 : 115,237,479,291.30 = 76,947,430,200.60 : x
  2. Step 2: Convert to fraction form
    76,947,430,200.60/115,237,479,291.30 = 76,947,430,200.60/x
  3. Step 3: Cross multiply
    76,947,430,200.60x = 115,237,479,291.30 × 76,947,430,200.60
  4. Step 4: Simplify right side
    76,947,430,200.60x = 8,867,227,894,260,395,147,264
  5. Step 5: Solve for x
    x = 8,867,227,894,260,395,147,264/76,947,430,200.60
  6. Step 6: Final answer
    x = 115,237,479,291.30

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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.