Home / 331,890,220.80-497,835,331.20-299,011,737.60

Finding the Fourth Proportional to 331,890,220.80, 497,835,331.20 and 299,011,737.60

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Solution

The fourth proportional to 331,890,220.80, 497,835,331.20 and 299,011,737.60 is: 448,517,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,890,220.80 : 497,835,331.20 = 299,011,737.60 : x
  2. Step 2: Convert to fraction form
    331,890,220.80/497,835,331.20 = 299,011,737.60/x
  3. Step 3: Cross multiply
    331,890,220.80x = 497,835,331.20 × 299,011,737.60
  4. Step 4: Simplify right side
    331,890,220.80x = 148,858,607,420,783,488
  5. Step 5: Solve for x
    x = 148,858,607,420,783,488/331,890,220.80
  6. Step 6: Final answer
    x = 448,517,606.40

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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.