Home / 251,505,197.40-377,257,796.10-211,328,257.80

Finding the Fourth Proportional to 251,505,197.40, 377,257,796.10 and 211,328,257.80

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Solution

The fourth proportional to 251,505,197.40, 377,257,796.10 and 211,328,257.80 is: 316,992,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,505,197.40 : 377,257,796.10 = 211,328,257.80 : x
  2. Step 2: Convert to fraction form
    251,505,197.40/377,257,796.10 = 211,328,257.80/x
  3. Step 3: Cross multiply
    251,505,197.40x = 377,257,796.10 × 211,328,257.80
  4. Step 4: Simplify right side
    251,505,197.40x = 79,725,232,791,280,640
  5. Step 5: Solve for x
    x = 79,725,232,791,280,640/251,505,197.40
  6. Step 6: Final answer
    x = 316,992,386.70

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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.