Home / 297,821,609.40-446,732,414.10-221,294,105.40

Finding the Fourth Proportional to 297,821,609.40, 446,732,414.10 and 221,294,105.40

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Solution

The fourth proportional to 297,821,609.40, 446,732,414.10 and 221,294,105.40 is: 331,941,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,821,609.40 : 446,732,414.10 = 221,294,105.40 : x
  2. Step 2: Convert to fraction form
    297,821,609.40/446,732,414.10 = 221,294,105.40/x
  3. Step 3: Cross multiply
    297,821,609.40x = 446,732,414.10 × 221,294,105.40
  4. Step 4: Simplify right side
    297,821,609.40x = 98,859,249,931,441,856
  5. Step 5: Solve for x
    x = 98,859,249,931,441,856/297,821,609.40
  6. Step 6: Final answer
    x = 331,941,158.10

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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.