Home / 21,193,488,400.80-31,790,232,601.20-6,469,596,631.20

Finding the Fourth Proportional to 21,193,488,400.80, 31,790,232,601.20 and 6,469,596,631.20

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Solution

The fourth proportional to 21,193,488,400.80, 31,790,232,601.20 and 6,469,596,631.20 is: 9,704,394,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193,488,400.80 : 31,790,232,601.20 = 6,469,596,631.20 : x
  2. Step 2: Convert to fraction form
    21,193,488,400.80/31,790,232,601.20 = 6,469,596,631.20/x
  3. Step 3: Cross multiply
    21,193,488,400.80x = 31,790,232,601.20 × 6,469,596,631.20
  4. Step 4: Simplify right side
    21,193,488,400.80x = 205,669,981,741,787,938,816
  5. Step 5: Solve for x
    x = 205,669,981,741,787,938,816/21,193,488,400.80
  6. Step 6: Final answer
    x = 9,704,394,946.80

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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.