Home / 643,588,544,080.80-965,382,816,121.20-643,588,544,080.80

Finding the Fourth Proportional to 643,588,544,080.80, 965,382,816,121.20 and 643,588,544,080.80

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Solution

The fourth proportional to 643,588,544,080.80, 965,382,816,121.20 and 643,588,544,080.80 is: 965,382,816,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,588,544,080.80 : 965,382,816,121.20 = 643,588,544,080.80 : x
  2. Step 2: Convert to fraction form
    643,588,544,080.80/965,382,816,121.20 = 643,588,544,080.80/x
  3. Step 3: Cross multiply
    643,588,544,080.80x = 965,382,816,121.20 × 643,588,544,080.80
  4. Step 4: Simplify right side
    643,588,544,080.80x = 621,309,321,108,065,760,575,488
  5. Step 5: Solve for x
    x = 621,309,321,108,065,760,575,488/643,588,544,080.80
  6. Step 6: Final answer
    x = 965,382,816,121.20

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Double scale
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Similar ratio
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1.5x scale

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.