Home / 351,298,867.56-484,791,131.40-194,665,850.40

Finding the Fourth Proportional to 351,298,867.56, 484,791,131.40 and 194,665,850.40

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Solution

The fourth proportional to 351,298,867.56, 484,791,131.40 and 194,665,850.40 is: 268,638,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,298,867.56 : 484,791,131.40 = 194,665,850.40 : x
  2. Step 2: Convert to fraction form
    351,298,867.56/484,791,131.40 = 194,665,850.40/x
  3. Step 3: Cross multiply
    351,298,867.56x = 484,791,131.40 × 194,665,850.40
  4. Step 4: Simplify right side
    351,298,867.56x = 94,372,277,860,359,136
  5. Step 5: Solve for x
    x = 94,372,277,860,359,136/351,298,867.56
  6. Step 6: Final answer
    x = 268,638,149.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.