Home / 402,495,354.88-555,445,470.72-228,664,637.44

Finding the Fourth Proportional to 402,495,354.88, 555,445,470.72 and 228,664,637.44

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Solution

The fourth proportional to 402,495,354.88, 555,445,470.72 and 228,664,637.44 is: 315,558,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,495,354.88 : 555,445,470.72 = 228,664,637.44 : x
  2. Step 2: Convert to fraction form
    402,495,354.88/555,445,470.72 = 228,664,637.44/x
  3. Step 3: Cross multiply
    402,495,354.88x = 555,445,470.72 × 228,664,637.44
  4. Step 4: Simplify right side
    402,495,354.88x = 127,010,737,179,878,944
  5. Step 5: Solve for x
    x = 127,010,737,179,878,944/402,495,354.88
  6. Step 6: Final answer
    x = 315,558,268.29

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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.