Home / 389,241,871.94-534,292,518.25-344,202,035.78

Finding the Fourth Proportional to 389,241,871.94, 534,292,518.25 and 344,202,035.78

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Solution

The fourth proportional to 389,241,871.94, 534,292,518.25 and 344,202,035.78 is: 472,468,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,241,871.94 : 534,292,518.25 = 344,202,035.78 : x
  2. Step 2: Convert to fraction form
    389,241,871.94/534,292,518.25 = 344,202,035.78/x
  3. Step 3: Cross multiply
    389,241,871.94x = 534,292,518.25 × 344,202,035.78
  4. Step 4: Simplify right side
    389,241,871.94x = 183,904,572,481,951,776
  5. Step 5: Solve for x
    x = 183,904,572,481,951,776/389,241,871.94
  6. Step 6: Final answer
    x = 472,468,626.17

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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.