Home / 2,165,297,816.70-2,987,598,853.16-1,225,500,458.58

Finding the Fourth Proportional to 2,165,297,816.70, 2,987,598,853.16 and 1,225,500,458.58

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Solution

The fourth proportional to 2,165,297,816.70, 2,987,598,853.16 and 1,225,500,458.58 is: 1,690,900,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,297,816.70 : 2,987,598,853.16 = 1,225,500,458.58 : x
  2. Step 2: Convert to fraction form
    2,165,297,816.70/2,987,598,853.16 = 1,225,500,458.58/x
  3. Step 3: Cross multiply
    2,165,297,816.70x = 2,987,598,853.16 × 1,225,500,458.58
  4. Step 4: Simplify right side
    2,165,297,816.70x = 3,661,303,764,600,661,504
  5. Step 5: Solve for x
    x = 3,661,303,764,600,661,504/2,165,297,816.70
  6. Step 6: Final answer
    x = 1,690,900,778.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.