Home / 6,867,865,619.76-9,479,709,833.78-4,010,778,517.92

Finding the Fourth Proportional to 6,867,865,619.76, 9,479,709,833.78 and 4,010,778,517.92

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Solution

The fourth proportional to 6,867,865,619.76, 9,479,709,833.78 and 4,010,778,517.92 is: 5,536,074,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867,865,619.76 : 9,479,709,833.78 = 4,010,778,517.92 : x
  2. Step 2: Convert to fraction form
    6,867,865,619.76/9,479,709,833.78 = 4,010,778,517.92/x
  3. Step 3: Cross multiply
    6,867,865,619.76x = 9,479,709,833.78 × 4,010,778,517.92
  4. Step 4: Simplify right side
    6,867,865,619.76x = 38,021,016,557,439,803,392
  5. Step 5: Solve for x
    x = 38,021,016,557,439,803,392/6,867,865,619.76
  6. Step 6: Final answer
    x = 5,536,074,620.92

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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.