Home / 338,296,906.60-507,020,207.10-165,401,434.60

Finding the Fourth Proportional to 338,296,906.60, 507,020,207.10 and 165,401,434.60

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Solution

The fourth proportional to 338,296,906.60, 507,020,207.10 and 165,401,434.60 is: 247,894,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,296,906.60 : 507,020,207.10 = 165,401,434.60 : x
  2. Step 2: Convert to fraction form
    338,296,906.60/507,020,207.10 = 165,401,434.60/x
  3. Step 3: Cross multiply
    338,296,906.60x = 507,020,207.10 × 165,401,434.60
  4. Step 4: Simplify right side
    338,296,906.60x = 83,861,869,625,529,104
  5. Step 5: Solve for x
    x = 83,861,869,625,529,104/338,296,906.60
  6. Step 6: Final answer
    x = 247,894,284.55

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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.