Home / 436,542,312.40-654,916,687.00-141,436,955.21

Finding the Fourth Proportional to 436,542,312.40, 654,916,687.00 and 141,436,955.21

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Solution

The fourth proportional to 436,542,312.40, 654,916,687.00 and 141,436,955.21 is: 212,188,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,542,312.40 : 654,916,687.00 = 141,436,955.21 : x
  2. Step 2: Convert to fraction form
    436,542,312.40/654,916,687.00 = 141,436,955.21/x
  3. Step 3: Cross multiply
    436,542,312.40x = 654,916,687.00 × 141,436,955.21
  4. Step 4: Simplify right side
    436,542,312.40x = 92,629,422,126,398,080
  5. Step 5: Solve for x
    x = 92,629,422,126,398,080/436,542,312.40
  6. Step 6: Final answer
    x = 212,188,874.93

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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.