Home / 4,910,839,459.20-6,779,961,662.40-3,195,822,821.76

Finding the Fourth Proportional to 4,910,839,459.20, 6,779,961,662.40 and 3,195,822,821.76

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Solution

The fourth proportional to 4,910,839,459.20, 6,779,961,662.40 and 3,195,822,821.76 is: 4,412,189,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910,839,459.20 : 6,779,961,662.40 = 3,195,822,821.76 : x
  2. Step 2: Convert to fraction form
    4,910,839,459.20/6,779,961,662.40 = 3,195,822,821.76/x
  3. Step 3: Cross multiply
    4,910,839,459.20x = 6,779,961,662.40 × 3,195,822,821.76
  4. Step 4: Simplify right side
    4,910,839,459.20x = 21,667,556,211,355,787,264
  5. Step 5: Solve for x
    x = 21,667,556,211,355,787,264/4,910,839,459.20
  6. Step 6: Final answer
    x = 4,412,189,889.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.