Home / 3,981,312,056.80-5,971,968,085.20-3,436,668,575.20

Finding the Fourth Proportional to 3,981,312,056.80, 5,971,968,085.20 and 3,436,668,575.20

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Solution

The fourth proportional to 3,981,312,056.80, 5,971,968,085.20 and 3,436,668,575.20 is: 5,155,002,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,312,056.80 : 5,971,968,085.20 = 3,436,668,575.20 : x
  2. Step 2: Convert to fraction form
    3,981,312,056.80/5,971,968,085.20 = 3,436,668,575.20/x
  3. Step 3: Cross multiply
    3,981,312,056.80x = 5,971,968,085.20 × 3,436,668,575.20
  4. Step 4: Simplify right side
    3,981,312,056.80x = 20,523,675,050,504,155,136
  5. Step 5: Solve for x
    x = 20,523,675,050,504,155,136/3,981,312,056.80
  6. Step 6: Final answer
    x = 5,155,002,862.80

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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.