Home / 402,787,583.80-603,614,505.30-298,341,712.60

Finding the Fourth Proportional to 402,787,583.80, 603,614,505.30 and 298,341,712.60

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Solution

The fourth proportional to 402,787,583.80, 603,614,505.30 and 298,341,712.60 is: 447,092,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,787,583.80 : 603,614,505.30 = 298,341,712.60 : x
  2. Step 2: Convert to fraction form
    402,787,583.80/603,614,505.30 = 298,341,712.60/x
  3. Step 3: Cross multiply
    402,787,583.80x = 603,614,505.30 × 298,341,712.60
  4. Step 4: Simplify right side
    402,787,583.80x = 180,083,385,261,403,776
  5. Step 5: Solve for x
    x = 180,083,385,261,403,776/402,787,583.80
  6. Step 6: Final answer
    x = 447,092,692.29

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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.