Home / 839,342,003.90-1,259,013,005.85-264,913,331.90

Finding the Fourth Proportional to 839,342,003.90, 1,259,013,005.85 and 264,913,331.90

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Solution

The fourth proportional to 839,342,003.90, 1,259,013,005.85 and 264,913,331.90 is: 397,369,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,342,003.90 : 1,259,013,005.85 = 264,913,331.90 : x
  2. Step 2: Convert to fraction form
    839,342,003.90/1,259,013,005.85 = 264,913,331.90/x
  3. Step 3: Cross multiply
    839,342,003.90x = 1,259,013,005.85 × 264,913,331.90
  4. Step 4: Simplify right side
    839,342,003.90x = 333,529,330,285,157,696
  5. Step 5: Solve for x
    x = 333,529,330,285,157,696/839,342,003.90
  6. Step 6: Final answer
    x = 397,369,997.85

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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.