Home / 8,196,310,194.81-11,310,911,858.79-4,437,120,766.56

Finding the Fourth Proportional to 8,196,310,194.81, 11,310,911,858.79 and 4,437,120,766.56

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Solution

The fourth proportional to 8,196,310,194.81, 11,310,911,858.79 and 4,437,120,766.56 is: 6,123,228,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,310,194.81 : 11,310,911,858.79 = 4,437,120,766.56 : x
  2. Step 2: Convert to fraction form
    8,196,310,194.81/11,310,911,858.79 = 4,437,120,766.56/x
  3. Step 3: Cross multiply
    8,196,310,194.81x = 11,310,911,858.79 × 4,437,120,766.56
  4. Step 4: Simplify right side
    8,196,310,194.81x = 50,187,881,897,366,888,448
  5. Step 5: Solve for x
    x = 50,187,881,897,366,888,448/8,196,310,194.81
  6. Step 6: Final answer
    x = 6,123,228,709.57

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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.