Home / 6,870,689,997.40-10,306,034,996.10-3,188,971,725.40

Finding the Fourth Proportional to 6,870,689,997.40, 10,306,034,996.10 and 3,188,971,725.40

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Solution

The fourth proportional to 6,870,689,997.40, 10,306,034,996.10 and 3,188,971,725.40 is: 4,783,457,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,689,997.40 : 10,306,034,996.10 = 3,188,971,725.40 : x
  2. Step 2: Convert to fraction form
    6,870,689,997.40/10,306,034,996.10 = 3,188,971,725.40/x
  3. Step 3: Cross multiply
    6,870,689,997.40x = 10,306,034,996.10 × 3,188,971,725.40
  4. Step 4: Simplify right side
    6,870,689,997.40x = 32,865,654,203,545,800,704
  5. Step 5: Solve for x
    x = 32,865,654,203,545,800,704/6,870,689,997.40
  6. Step 6: Final answer
    x = 4,783,457,588.10

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Double scale
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Similar ratio
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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.