Home / 251,923,625.60-377,885,438.40-208,876,904.60

Finding the Fourth Proportional to 251,923,625.60, 377,885,438.40 and 208,876,904.60

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Solution

The fourth proportional to 251,923,625.60, 377,885,438.40 and 208,876,904.60 is: 313,315,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,923,625.60 : 377,885,438.40 = 208,876,904.60 : x
  2. Step 2: Convert to fraction form
    251,923,625.60/377,885,438.40 = 208,876,904.60/x
  3. Step 3: Cross multiply
    251,923,625.60x = 377,885,438.40 × 208,876,904.60
  4. Step 4: Simplify right side
    251,923,625.60x = 78,931,540,666,405,968
  5. Step 5: Solve for x
    x = 78,931,540,666,405,968/251,923,625.60
  6. Step 6: Final answer
    x = 313,315,356.90

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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.