Home / 1,311,481,175.14-1,809,845,785.32-754,553,052.10

Finding the Fourth Proportional to 1,311,481,175.14, 1,809,845,785.32 and 754,553,052.10

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Solution

The fourth proportional to 1,311,481,175.14, 1,809,845,785.32 and 754,553,052.10 is: 1,041,284,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,481,175.14 : 1,809,845,785.32 = 754,553,052.10 : x
  2. Step 2: Convert to fraction form
    1,311,481,175.14/1,809,845,785.32 = 754,553,052.10/x
  3. Step 3: Cross multiply
    1,311,481,175.14x = 1,809,845,785.32 × 754,553,052.10
  4. Step 4: Simplify right side
    1,311,481,175.14x = 1,365,624,661,143,527,424
  5. Step 5: Solve for x
    x = 1,365,624,661,143,527,424/1,311,481,175.14
  6. Step 6: Final answer
    x = 1,041,284,226.59

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Double scale
Find fourth proportional to 1,311,481,176.14, 1,809,845,786.70 and 754,553,053.10
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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.