Home / 297,823,513.90-446,735,270.85-221,296,009.90

Finding the Fourth Proportional to 297,823,513.90, 446,735,270.85 and 221,296,009.90

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Solution

The fourth proportional to 297,823,513.90, 446,735,270.85 and 221,296,009.90 is: 331,944,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,823,513.90 : 446,735,270.85 = 221,296,009.90 : x
  2. Step 2: Convert to fraction form
    297,823,513.90/446,735,270.85 = 221,296,009.90/x
  3. Step 3: Cross multiply
    297,823,513.90x = 446,735,270.85 × 221,296,009.90
  4. Step 4: Simplify right side
    297,823,513.90x = 98,860,732,920,700,784
  5. Step 5: Solve for x
    x = 98,860,732,920,700,784/297,823,513.90
  6. Step 6: Final answer
    x = 331,944,014.85

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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.