Home / 31,414,460,445.09-47,121,380,136.32-14,392,397,654.69

Finding the Fourth Proportional to 31,414,460,445.09, 47,121,380,136.32 and 14,392,397,654.69

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Solution

The fourth proportional to 31,414,460,445.09, 47,121,380,136.32 and 14,392,397,654.69 is: 21,588,454,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414,460,445.09 : 47,121,380,136.32 = 14,392,397,654.69 : x
  2. Step 2: Convert to fraction form
    31,414,460,445.09/47,121,380,136.32 = 14,392,397,654.69/x
  3. Step 3: Cross multiply
    31,414,460,445.09x = 47,121,380,136.32 × 14,392,397,654.69
  4. Step 4: Simplify right side
    31,414,460,445.09x = 678,189,640,959,420,399,616
  5. Step 5: Solve for x
    x = 678,189,640,959,420,399,616/31,414,460,445.09
  6. Step 6: Final answer
    x = 21,588,454,213.46

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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.