Home / 278,685,773.98-384,229,357.06-228,264,242.59

Finding the Fourth Proportional to 278,685,773.98, 384,229,357.06 and 228,264,242.59

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Solution

The fourth proportional to 278,685,773.98, 384,229,357.06 and 228,264,242.59 is: 314,712,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,685,773.98 : 384,229,357.06 = 228,264,242.59 : x
  2. Step 2: Convert to fraction form
    278,685,773.98/384,229,357.06 = 228,264,242.59/x
  3. Step 3: Cross multiply
    278,685,773.98x = 384,229,357.06 × 228,264,242.59
  4. Step 4: Simplify right side
    278,685,773.98x = 87,705,823,169,002,256
  5. Step 5: Solve for x
    x = 87,705,823,169,002,256/278,685,773.98
  6. Step 6: Final answer
    x = 314,712,236.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.