Home / 624,152,709.20-861,344,649.77-356,223,163.03

Finding the Fourth Proportional to 624,152,709.20, 861,344,649.77 and 356,223,163.03

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Solution

The fourth proportional to 624,152,709.20, 861,344,649.77 and 356,223,163.03 is: 491,595,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,152,709.20 : 861,344,649.77 = 356,223,163.03 : x
  2. Step 2: Convert to fraction form
    624,152,709.20/861,344,649.77 = 356,223,163.03/x
  3. Step 3: Cross multiply
    624,152,709.20x = 861,344,649.77 × 356,223,163.03
  4. Step 4: Simplify right side
    624,152,709.20x = 306,830,915,596,102,464
  5. Step 5: Solve for x
    x = 306,830,915,596,102,464/624,152,709.20
  6. Step 6: Final answer
    x = 491,595,904.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.