Home / 351,511,451.79-527,354,850.68-248,082,690.57

Finding the Fourth Proportional to 351,511,451.79, 527,354,850.68 and 248,082,690.57

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Solution

The fourth proportional to 351,511,451.79, 527,354,850.68 and 248,082,690.57 is: 372,185,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,511,451.79 : 527,354,850.68 = 248,082,690.57 : x
  2. Step 2: Convert to fraction form
    351,511,451.79/527,354,850.68 = 248,082,690.57/x
  3. Step 3: Cross multiply
    351,511,451.79x = 527,354,850.68 × 248,082,690.57
  4. Step 4: Simplify right side
    351,511,451.79x = 130,827,610,240,594,576
  5. Step 5: Solve for x
    x = 130,827,610,240,594,576/351,511,451.79
  6. Step 6: Final answer
    x = 372,185,911.94

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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.