Home / 20,618,664,800.49-30,915,339,817.95-8,012,804,334.71

Finding the Fourth Proportional to 20,618,664,800.49, 30,915,339,817.95 and 8,012,804,334.71

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Solution

The fourth proportional to 20,618,664,800.49, 30,915,339,817.95 and 8,012,804,334.71 is: 12,014,287,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,664,800.49 : 30,915,339,817.95 = 8,012,804,334.71 : x
  2. Step 2: Convert to fraction form
    20,618,664,800.49/30,915,339,817.95 = 8,012,804,334.71/x
  3. Step 3: Cross multiply
    20,618,664,800.49x = 30,915,339,817.95 × 8,012,804,334.71
  4. Step 4: Simplify right side
    20,618,664,800.49x = 247,718,568,902,147,833,856
  5. Step 5: Solve for x
    x = 247,718,568,902,147,833,856/20,618,664,800.49
  6. Step 6: Final answer
    x = 12,014,287,602.96

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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.