Home / 298,920,630.15-448,380,945.23-217,291,292.55

Finding the Fourth Proportional to 298,920,630.15, 448,380,945.23 and 217,291,292.55

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Solution

The fourth proportional to 298,920,630.15, 448,380,945.23 and 217,291,292.55 is: 325,936,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,920,630.15 : 448,380,945.23 = 217,291,292.55 : x
  2. Step 2: Convert to fraction form
    298,920,630.15/448,380,945.23 = 217,291,292.55/x
  3. Step 3: Cross multiply
    298,920,630.15x = 448,380,945.23 × 217,291,292.55
  4. Step 4: Simplify right side
    298,920,630.15x = 97,429,275,142,731,008
  5. Step 5: Solve for x
    x = 97,429,275,142,731,008/298,920,630.15
  6. Step 6: Final answer
    x = 325,936,938.83

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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.