Home / 265,860,625.60-398,094,727.20-213,768,337.60

Finding the Fourth Proportional to 265,860,625.60, 398,094,727.20 and 213,768,337.60

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Solution

The fourth proportional to 265,860,625.60, 398,094,727.20 and 213,768,337.60 is: 320,092,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,860,625.60 : 398,094,727.20 = 213,768,337.60 : x
  2. Step 2: Convert to fraction form
    265,860,625.60/398,094,727.20 = 213,768,337.60/x
  3. Step 3: Cross multiply
    265,860,625.60x = 398,094,727.20 × 213,768,337.60
  4. Step 4: Simplify right side
    265,860,625.60x = 85,100,048,040,869,504
  5. Step 5: Solve for x
    x = 85,100,048,040,869,504/265,860,625.60
  6. Step 6: Final answer
    x = 320,092,709.66

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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.