Home / 1,387,396,164.12-2,080,263,152.52-441,585,706.80

Finding the Fourth Proportional to 1,387,396,164.12, 2,080,263,152.52 and 441,585,706.80

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Solution

The fourth proportional to 1,387,396,164.12, 2,080,263,152.52 and 441,585,706.80 is: 662,114,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,396,164.12 : 2,080,263,152.52 = 441,585,706.80 : x
  2. Step 2: Convert to fraction form
    1,387,396,164.12/2,080,263,152.52 = 441,585,706.80/x
  3. Step 3: Cross multiply
    1,387,396,164.12x = 2,080,263,152.52 × 441,585,706.80
  4. Step 4: Simplify right side
    1,387,396,164.12x = 918,614,474,535,540,480
  5. Step 5: Solve for x
    x = 918,614,474,535,540,480/1,387,396,164.12
  6. Step 6: Final answer
    x = 662,114,036.56

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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.