Home / 389,241,873.44-534,292,520.30-344,202,037.28

Finding the Fourth Proportional to 389,241,873.44, 534,292,520.30 and 344,202,037.28

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Solution

The fourth proportional to 389,241,873.44, 534,292,520.30 and 344,202,037.28 is: 472,468,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,241,873.44 : 534,292,520.30 = 344,202,037.28 : x
  2. Step 2: Convert to fraction form
    389,241,873.44/534,292,520.30 = 344,202,037.28/x
  3. Step 3: Cross multiply
    389,241,873.44x = 534,292,520.30 × 344,202,037.28
  4. Step 4: Simplify right side
    389,241,873.44x = 183,904,573,990,725,760
  5. Step 5: Solve for x
    x = 183,904,573,990,725,760/389,241,873.44
  6. Step 6: Final answer
    x = 472,468,628.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.