Home / 1,311,373,716.58-1,966,500,633.14-759,057,380.58

Finding the Fourth Proportional to 1,311,373,716.58, 1,966,500,633.14 and 759,057,380.58

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Solution

The fourth proportional to 1,311,373,716.58, 1,966,500,633.14 and 759,057,380.58 is: 1,138,261,961.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,373,716.58 : 1,966,500,633.14 = 759,057,380.58 : x
  2. Step 2: Convert to fraction form
    1,311,373,716.58/1,966,500,633.14 = 759,057,380.58/x
  3. Step 3: Cross multiply
    1,311,373,716.58x = 1,966,500,633.14 × 759,057,380.58
  4. Step 4: Simplify right side
    1,311,373,716.58x = 1,492,686,819,500,160,000
  5. Step 5: Solve for x
    x = 1,492,686,819,500,160,000/1,311,373,716.58
  6. Step 6: Final answer
    x = 1,138,261,961.96

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Double scale
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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.