Home / 957,912,817.80-1,436,449,322.70-440,171,185.80

Finding the Fourth Proportional to 957,912,817.80, 1,436,449,322.70 and 440,171,185.80

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Solution

The fourth proportional to 957,912,817.80, 1,436,449,322.70 and 440,171,185.80 is: 660,063,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,912,817.80 : 1,436,449,322.70 = 440,171,185.80 : x
  2. Step 2: Convert to fraction form
    957,912,817.80/1,436,449,322.70 = 440,171,185.80/x
  3. Step 3: Cross multiply
    957,912,817.80x = 1,436,449,322.70 × 440,171,185.80
  4. Step 4: Simplify right side
    957,912,817.80x = 632,283,601,714,465,920
  5. Step 5: Solve for x
    x = 632,283,601,714,465,920/957,912,817.80
  6. Step 6: Final answer
    x = 660,063,828.32

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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.