Home / 402,294,109.70-603,441,164.55-198,220,765.70

Finding the Fourth Proportional to 402,294,109.70, 603,441,164.55 and 198,220,765.70

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Solution

The fourth proportional to 402,294,109.70, 603,441,164.55 and 198,220,765.70 is: 297,331,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,294,109.70 : 603,441,164.55 = 198,220,765.70 : x
  2. Step 2: Convert to fraction form
    402,294,109.70/603,441,164.55 = 198,220,765.70/x
  3. Step 3: Cross multiply
    402,294,109.70x = 603,441,164.55 × 198,220,765.70
  4. Step 4: Simplify right side
    402,294,109.70x = 119,614,569,692,000,672
  5. Step 5: Solve for x
    x = 119,614,569,692,000,672/402,294,109.70
  6. Step 6: Final answer
    x = 297,331,148.55

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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.