Home / 294,916,722,017.90-406,985,783,833.95-159,587,354,616.62

Finding the Fourth Proportional to 294,916,722,017.90, 406,985,783,833.95 and 159,587,354,616.62

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Solution

The fourth proportional to 294,916,722,017.90, 406,985,783,833.95 and 159,587,354,616.62 is: 220,230,932,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,916,722,017.90 : 406,985,783,833.95 = 159,587,354,616.62 : x
  2. Step 2: Convert to fraction form
    294,916,722,017.90/406,985,783,833.95 = 159,587,354,616.62/x
  3. Step 3: Cross multiply
    294,916,722,017.90x = 406,985,783,833.95 × 159,587,354,616.62
  4. Step 4: Simplify right side
    294,916,722,017.90x = 64,949,784,608,631,626,399,744
  5. Step 5: Solve for x
    x = 64,949,784,608,631,626,399,744/294,916,722,017.90
  6. Step 6: Final answer
    x = 220,230,932,190.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.