Home / 20,976,863,136.40-31,465,294,704.60-14,364,886,790.80

Finding the Fourth Proportional to 20,976,863,136.40, 31,465,294,704.60 and 14,364,886,790.80

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Solution

The fourth proportional to 20,976,863,136.40, 31,465,294,704.60 and 14,364,886,790.80 is: 21,547,330,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,976,863,136.40 : 31,465,294,704.60 = 14,364,886,790.80 : x
  2. Step 2: Convert to fraction form
    20,976,863,136.40/31,465,294,704.60 = 14,364,886,790.80/x
  3. Step 3: Cross multiply
    20,976,863,136.40x = 31,465,294,704.60 × 14,364,886,790.80
  4. Step 4: Simplify right side
    20,976,863,136.40x = 451,995,396,270,737,653,760
  5. Step 5: Solve for x
    x = 451,995,396,270,737,653,760/20,976,863,136.40
  6. Step 6: Final answer
    x = 21,547,330,186.20

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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.