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Finding the Fourth Proportional to 76,672,973,648.60, 115,009,460,472.90 and 76,672,973,648.60

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Solution

The fourth proportional to 76,672,973,648.60, 115,009,460,472.90 and 76,672,973,648.60 is: 115,009,460,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,672,973,648.60 : 115,009,460,472.90 = 76,672,973,648.60 : x
  2. Step 2: Convert to fraction form
    76,672,973,648.60/115,009,460,472.90 = 76,672,973,648.60/x
  3. Step 3: Cross multiply
    76,672,973,648.60x = 115,009,460,472.90 × 76,672,973,648.60
  4. Step 4: Simplify right side
    76,672,973,648.60x = 8,818,117,332,178,364,792,832
  5. Step 5: Solve for x
    x = 8,818,117,332,178,364,792,832/76,672,973,648.60
  6. Step 6: Final answer
    x = 115,009,460,472.90

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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.