Home / 422,889,767.10-634,334,650.65-308,098,511.10

Finding the Fourth Proportional to 422,889,767.10, 634,334,650.65 and 308,098,511.10

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Solution

The fourth proportional to 422,889,767.10, 634,334,650.65 and 308,098,511.10 is: 462,147,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,889,767.10 : 634,334,650.65 = 308,098,511.10 : x
  2. Step 2: Convert to fraction form
    422,889,767.10/634,334,650.65 = 308,098,511.10/x
  3. Step 3: Cross multiply
    422,889,767.10x = 634,334,650.65 × 308,098,511.10
  4. Step 4: Simplify right side
    422,889,767.10x = 195,437,561,404,403,648
  5. Step 5: Solve for x
    x = 195,437,561,404,403,648/422,889,767.10
  6. Step 6: Final answer
    x = 462,147,766.65

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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.