Home / 294,916,722,018.78-406,985,783,835.15-159,587,354,617.49

Finding the Fourth Proportional to 294,916,722,018.78, 406,985,783,835.15 and 159,587,354,617.49

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Solution

The fourth proportional to 294,916,722,018.78, 406,985,783,835.15 and 159,587,354,617.49 is: 220,230,932,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,916,722,018.78 : 406,985,783,835.15 = 159,587,354,617.49 : x
  2. Step 2: Convert to fraction form
    294,916,722,018.78/406,985,783,835.15 = 159,587,354,617.49/x
  3. Step 3: Cross multiply
    294,916,722,018.78x = 406,985,783,835.15 × 159,587,354,617.49
  4. Step 4: Simplify right side
    294,916,722,018.78x = 64,949,784,609,177,213,075,456
  5. Step 5: Solve for x
    x = 64,949,784,609,177,213,075,456/294,916,722,018.78
  6. Step 6: Final answer
    x = 220,230,932,191.91

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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.