Home / 402,417,692.20-603,626,538.30-247,449,496.60

Finding the Fourth Proportional to 402,417,692.20, 603,626,538.30 and 247,449,496.60

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Solution

The fourth proportional to 402,417,692.20, 603,626,538.30 and 247,449,496.60 is: 371,174,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,417,692.20 : 603,626,538.30 = 247,449,496.60 : x
  2. Step 2: Convert to fraction form
    402,417,692.20/603,626,538.30 = 247,449,496.60/x
  3. Step 3: Cross multiply
    402,417,692.20x = 603,626,538.30 × 247,449,496.60
  4. Step 4: Simplify right side
    402,417,692.20x = 149,367,083,036,735,616
  5. Step 5: Solve for x
    x = 149,367,083,036,735,616/402,417,692.20
  6. Step 6: Final answer
    x = 371,174,244.90

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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.