Home / 389,241,861.94-534,292,504.51-344,202,025.78

Finding the Fourth Proportional to 389,241,861.94, 534,292,504.51 and 344,202,025.78

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Solution

The fourth proportional to 389,241,861.94, 534,292,504.51 and 344,202,025.78 is: 472,468,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,241,861.94 : 534,292,504.51 = 344,202,025.78 : x
  2. Step 2: Convert to fraction form
    389,241,861.94/534,292,504.51 = 344,202,025.78/x
  3. Step 3: Cross multiply
    389,241,861.94x = 534,292,504.51 × 344,202,025.78
  4. Step 4: Simplify right side
    389,241,861.94x = 183,904,562,411,411,776
  5. Step 5: Solve for x
    x = 183,904,562,411,411,776/389,241,861.94
  6. Step 6: Final answer
    x = 472,468,612.43

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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.