Home / 5,297,518,489.12-7,946,013,589.68-1,981,089,241.12

Finding the Fourth Proportional to 5,297,518,489.12, 7,946,013,589.68 and 1,981,089,241.12

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Solution

The fourth proportional to 5,297,518,489.12, 7,946,013,589.68 and 1,981,089,241.12 is: 2,971,535,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297,518,489.12 : 7,946,013,589.68 = 1,981,089,241.12 : x
  2. Step 2: Convert to fraction form
    5,297,518,489.12/7,946,013,589.68 = 1,981,089,241.12/x
  3. Step 3: Cross multiply
    5,297,518,489.12x = 7,946,013,589.68 × 1,981,089,241.12
  4. Step 4: Simplify right side
    5,297,518,489.12x = 15,741,762,032,308,357,120
  5. Step 5: Solve for x
    x = 15,741,762,032,308,357,120/5,297,518,489.12
  6. Step 6: Final answer
    x = 2,971,535,080.93

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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.