Home / 683,054,817.30-1,022,930,428.50-391,036,254.66

Finding the Fourth Proportional to 683,054,817.30, 1,022,930,428.50 and 391,036,254.66

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Solution

The fourth proportional to 683,054,817.30, 1,022,930,428.50 and 391,036,254.66 is: 585,608,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,054,817.30 : 1,022,930,428.50 = 391,036,254.66 : x
  2. Step 2: Convert to fraction form
    683,054,817.30/1,022,930,428.50 = 391,036,254.66/x
  3. Step 3: Cross multiply
    683,054,817.30x = 1,022,930,428.50 × 391,036,254.66
  4. Step 4: Simplify right side
    683,054,817.30x = 400,002,883,538,388,928
  5. Step 5: Solve for x
    x = 400,002,883,538,388,928/683,054,817.30
  6. Step 6: Final answer
    x = 585,608,758.49

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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.