Home / 839,810,135.70-1,259,715,203.55-379,763,313.30

Finding the Fourth Proportional to 839,810,135.70, 1,259,715,203.55 and 379,763,313.30

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Solution

The fourth proportional to 839,810,135.70, 1,259,715,203.55 and 379,763,313.30 is: 569,644,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,135.70 : 1,259,715,203.55 = 379,763,313.30 : x
  2. Step 2: Convert to fraction form
    839,810,135.70/1,259,715,203.55 = 379,763,313.30/x
  3. Step 3: Cross multiply
    839,810,135.70x = 1,259,715,203.55 × 379,763,313.30
  4. Step 4: Simplify right side
    839,810,135.70x = 478,393,619,514,531,904
  5. Step 5: Solve for x
    x = 478,393,619,514,531,904/839,810,135.70
  6. Step 6: Final answer
    x = 569,644,969.95

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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.