Home / 513,829,257.60-770,519,937.60-207,019,401.60

Finding the Fourth Proportional to 513,829,257.60, 770,519,937.60 and 207,019,401.60

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Solution

The fourth proportional to 513,829,257.60, 770,519,937.60 and 207,019,401.60 is: 310,438,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,829,257.60 : 770,519,937.60 = 207,019,401.60 : x
  2. Step 2: Convert to fraction form
    513,829,257.60/770,519,937.60 = 207,019,401.60/x
  3. Step 3: Cross multiply
    513,829,257.60x = 770,519,937.60 × 207,019,401.60
  4. Step 4: Simplify right side
    513,829,257.60x = 159,512,576,402,821,344
  5. Step 5: Solve for x
    x = 159,512,576,402,821,344/513,829,257.60
  6. Step 6: Final answer
    x = 310,438,874.48

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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.