Home / 508,957,807.74-762,014,359.89-274,950,163.50

Finding the Fourth Proportional to 508,957,807.74, 762,014,359.89 and 274,950,163.50

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Solution

The fourth proportional to 508,957,807.74, 762,014,359.89 and 274,950,163.50 is: 411,656,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,957,807.74 : 762,014,359.89 = 274,950,163.50 : x
  2. Step 2: Convert to fraction form
    508,957,807.74/762,014,359.89 = 274,950,163.50/x
  3. Step 3: Cross multiply
    508,957,807.74x = 762,014,359.89 × 274,950,163.50
  4. Step 4: Simplify right side
    508,957,807.74x = 209,515,972,841,103,328
  5. Step 5: Solve for x
    x = 209,515,972,841,103,328/508,957,807.74
  6. Step 6: Final answer
    x = 411,656,859.67

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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.