Home / 342,144,194.80-512,208,522.60-322,212,751.60

Finding the Fourth Proportional to 342,144,194.80, 512,208,522.60 and 322,212,751.60

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Solution

The fourth proportional to 342,144,194.80, 512,208,522.60 and 322,212,751.60 is: 482,370,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,194.80 : 512,208,522.60 = 322,212,751.60 : x
  2. Step 2: Convert to fraction form
    342,144,194.80/512,208,522.60 = 322,212,751.60/x
  3. Step 3: Cross multiply
    342,144,194.80x = 512,208,522.60 × 322,212,751.60
  4. Step 4: Simplify right side
    342,144,194.80x = 165,040,117,459,916,800
  5. Step 5: Solve for x
    x = 165,040,117,459,916,800/342,144,194.80
  6. Step 6: Final answer
    x = 482,370,064.93

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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.