Home / 12,167,705,982.48-18,220,125,619.44-8,397,731,286.24

Finding the Fourth Proportional to 12,167,705,982.48, 18,220,125,619.44 and 8,397,731,286.24

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Solution

The fourth proportional to 12,167,705,982.48, 18,220,125,619.44 and 8,397,731,286.24 is: 12,574,902,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167,705,982.48 : 18,220,125,619.44 = 8,397,731,286.24 : x
  2. Step 2: Convert to fraction form
    12,167,705,982.48/18,220,125,619.44 = 8,397,731,286.24/x
  3. Step 3: Cross multiply
    12,167,705,982.48x = 18,220,125,619.44 × 8,397,731,286.24
  4. Step 4: Simplify right side
    12,167,705,982.48x = 153,007,718,953,594,224,640
  5. Step 5: Solve for x
    x = 153,007,718,953,594,224,640/12,167,705,982.48
  6. Step 6: Final answer
    x = 12,574,902,711.65

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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.