Home / 930,978,427.58-1,396,611,130.42-317,419,164.26

Finding the Fourth Proportional to 930,978,427.58, 1,396,611,130.42 and 317,419,164.26

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Solution

The fourth proportional to 930,978,427.58, 1,396,611,130.42 and 317,419,164.26 is: 476,177,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,978,427.58 : 1,396,611,130.42 = 317,419,164.26 : x
  2. Step 2: Convert to fraction form
    930,978,427.58/1,396,611,130.42 = 317,419,164.26/x
  3. Step 3: Cross multiply
    930,978,427.58x = 1,396,611,130.42 × 317,419,164.26
  4. Step 4: Simplify right side
    930,978,427.58x = 443,311,137,814,130,304
  5. Step 5: Solve for x
    x = 443,311,137,814,130,304/930,978,427.58
  6. Step 6: Final answer
    x = 476,177,669.30

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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.