Home / 294,916,722,018.40-406,985,783,834.64-159,587,354,617.12

Finding the Fourth Proportional to 294,916,722,018.40, 406,985,783,834.64 and 159,587,354,617.12

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Solution

The fourth proportional to 294,916,722,018.40, 406,985,783,834.64 and 159,587,354,617.12 is: 220,230,932,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,916,722,018.40 : 406,985,783,834.64 = 159,587,354,617.12 : x
  2. Step 2: Convert to fraction form
    294,916,722,018.40/406,985,783,834.64 = 159,587,354,617.12/x
  3. Step 3: Cross multiply
    294,916,722,018.40x = 406,985,783,834.64 × 159,587,354,617.12
  4. Step 4: Simplify right side
    294,916,722,018.40x = 64,949,784,608,945,234,509,824
  5. Step 5: Solve for x
    x = 64,949,784,608,945,234,509,824/294,916,722,018.40
  6. Step 6: Final answer
    x = 220,230,932,191.40

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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.