Home / 1,409,429,489.34-2,114,121,839.13-345,863,745.66

Finding the Fourth Proportional to 1,409,429,489.34, 2,114,121,839.13 and 345,863,745.66

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Solution

The fourth proportional to 1,409,429,489.34, 2,114,121,839.13 and 345,863,745.66 is: 518,790,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,429,489.34 : 2,114,121,839.13 = 345,863,745.66 : x
  2. Step 2: Convert to fraction form
    1,409,429,489.34/2,114,121,839.13 = 345,863,745.66/x
  3. Step 3: Cross multiply
    1,409,429,489.34x = 2,114,121,839.13 × 345,863,745.66
  4. Step 4: Simplify right side
    1,409,429,489.34x = 731,198,098,063,109,888
  5. Step 5: Solve for x
    x = 731,198,098,063,109,888/1,409,429,489.34
  6. Step 6: Final answer
    x = 518,790,122.95

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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.