Home / 18,338,694,817.80-25,307,484,550.96-10,418,532,754.44

Finding the Fourth Proportional to 18,338,694,817.80, 25,307,484,550.96 and 10,418,532,754.44

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Solution

The fourth proportional to 18,338,694,817.80, 25,307,484,550.96 and 10,418,532,754.44 is: 14,377,623,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,694,817.80 : 25,307,484,550.96 = 10,418,532,754.44 : x
  2. Step 2: Convert to fraction form
    18,338,694,817.80/25,307,484,550.96 = 10,418,532,754.44/x
  3. Step 3: Cross multiply
    18,338,694,817.80x = 25,307,484,550.96 × 10,418,532,754.44
  4. Step 4: Simplify right side
    18,338,694,817.80x = 263,666,856,726,661,038,080
  5. Step 5: Solve for x
    x = 263,666,856,726,661,038,080/18,338,694,817.80
  6. Step 6: Final answer
    x = 14,377,623,890.15

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Double scale
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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.