Home / 1,387,396,153.56-2,080,263,136.77-441,585,696.24

Finding the Fourth Proportional to 1,387,396,153.56, 2,080,263,136.77 and 441,585,696.24

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Solution

The fourth proportional to 1,387,396,153.56, 2,080,263,136.77 and 441,585,696.24 is: 662,114,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,396,153.56 : 2,080,263,136.77 = 441,585,696.24 : x
  2. Step 2: Convert to fraction form
    1,387,396,153.56/2,080,263,136.77 = 441,585,696.24/x
  3. Step 3: Cross multiply
    1,387,396,153.56x = 2,080,263,136.77 × 441,585,696.24
  4. Step 4: Simplify right side
    1,387,396,153.56x = 918,614,445,612,986,752
  5. Step 5: Solve for x
    x = 918,614,445,612,986,752/1,387,396,153.56
  6. Step 6: Final answer
    x = 662,114,020.75

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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.