Home / 331,776,141.70-497,664,212.55-318,339,213.70

Finding the Fourth Proportional to 331,776,141.70, 497,664,212.55 and 318,339,213.70

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Solution

The fourth proportional to 331,776,141.70, 497,664,212.55 and 318,339,213.70 is: 477,508,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,141.70 : 497,664,212.55 = 318,339,213.70 : x
  2. Step 2: Convert to fraction form
    331,776,141.70/497,664,212.55 = 318,339,213.70/x
  3. Step 3: Cross multiply
    331,776,141.70x = 497,664,212.55 × 318,339,213.70
  4. Step 4: Simplify right side
    331,776,141.70x = 158,426,034,109,796,672
  5. Step 5: Solve for x
    x = 158,426,034,109,796,672/331,776,141.70
  6. Step 6: Final answer
    x = 477,508,820.55

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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.