Home / 342,144,191.80-512,208,518.10-322,212,748.60

Finding the Fourth Proportional to 342,144,191.80, 512,208,518.10 and 322,212,748.60

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Solution

The fourth proportional to 342,144,191.80, 512,208,518.10 and 322,212,748.60 is: 482,370,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,191.80 : 512,208,518.10 = 322,212,748.60 : x
  2. Step 2: Convert to fraction form
    342,144,191.80/512,208,518.10 = 322,212,748.60/x
  3. Step 3: Cross multiply
    342,144,191.80x = 512,208,518.10 × 322,212,748.60
  4. Step 4: Simplify right side
    342,144,191.80x = 165,040,114,473,333,856
  5. Step 5: Solve for x
    x = 165,040,114,473,333,856/342,144,191.80
  6. Step 6: Final answer
    x = 482,370,060.43

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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.