Home / 498,205,008.80-747,307,513.20-221,855,688.80

Finding the Fourth Proportional to 498,205,008.80, 747,307,513.20 and 221,855,688.80

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Solution

The fourth proportional to 498,205,008.80, 747,307,513.20 and 221,855,688.80 is: 332,783,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,205,008.80 : 747,307,513.20 = 221,855,688.80 : x
  2. Step 2: Convert to fraction form
    498,205,008.80/747,307,513.20 = 221,855,688.80/x
  3. Step 3: Cross multiply
    498,205,008.80x = 747,307,513.20 × 221,855,688.80
  4. Step 4: Simplify right side
    498,205,008.80x = 165,794,423,086,401,120
  5. Step 5: Solve for x
    x = 165,794,423,086,401,120/498,205,008.80
  6. Step 6: Final answer
    x = 332,783,533.20

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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.