Home / 6,386,863,998.80-9,580,295,998.20-3,117,410,584.40

Finding the Fourth Proportional to 6,386,863,998.80, 9,580,295,998.20 and 3,117,410,584.40

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Solution

The fourth proportional to 6,386,863,998.80, 9,580,295,998.20 and 3,117,410,584.40 is: 4,676,115,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,863,998.80 : 9,580,295,998.20 = 3,117,410,584.40 : x
  2. Step 2: Convert to fraction form
    6,386,863,998.80/9,580,295,998.20 = 3,117,410,584.40/x
  3. Step 3: Cross multiply
    6,386,863,998.80x = 9,580,295,998.20 × 3,117,410,584.40
  4. Step 4: Simplify right side
    6,386,863,998.80x = 29,865,716,146,473,648,128
  5. Step 5: Solve for x
    x = 29,865,716,146,473,648,128/6,386,863,998.80
  6. Step 6: Final answer
    x = 4,676,115,876.60

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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.