Home / 3,981,312,440.80-5,971,968,661.20-3,562,080,287.20

Finding the Fourth Proportional to 3,981,312,440.80, 5,971,968,661.20 and 3,562,080,287.20

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Solution

The fourth proportional to 3,981,312,440.80, 5,971,968,661.20 and 3,562,080,287.20 is: 5,343,120,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,312,440.80 : 5,971,968,661.20 = 3,562,080,287.20 : x
  2. Step 2: Convert to fraction form
    3,981,312,440.80/5,971,968,661.20 = 3,562,080,287.20/x
  3. Step 3: Cross multiply
    3,981,312,440.80x = 5,971,968,661.20 × 3,562,080,287.20
  4. Step 4: Simplify right side
    3,981,312,440.80x = 21,272,631,843,836,694,528
  5. Step 5: Solve for x
    x = 21,272,631,843,836,694,528/3,981,312,440.80
  6. Step 6: Final answer
    x = 5,343,120,430.80

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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.