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Finding the Fourth Proportional to 73,207,239,910.40, 109,810,859,865.60 and 73,207,239,910.40

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Solution

The fourth proportional to 73,207,239,910.40, 109,810,859,865.60 and 73,207,239,910.40 is: 109,810,859,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,207,239,910.40 : 109,810,859,865.60 = 73,207,239,910.40 : x
  2. Step 2: Convert to fraction form
    73,207,239,910.40/109,810,859,865.60 = 73,207,239,910.40/x
  3. Step 3: Cross multiply
    73,207,239,910.40x = 109,810,859,865.60 × 73,207,239,910.40
  4. Step 4: Simplify right side
    73,207,239,910.40x = 8,038,949,962,948,293,951,488
  5. Step 5: Solve for x
    x = 8,038,949,962,948,293,951,488/73,207,239,910.40
  6. Step 6: Final answer
    x = 109,810,859,865.60

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Double scale
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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.