Home / 417,138,591.51-575,647,528.88-228,961,312.43

Finding the Fourth Proportional to 417,138,591.51, 575,647,528.88 and 228,961,312.43

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Solution

The fourth proportional to 417,138,591.51, 575,647,528.88 and 228,961,312.43 is: 315,964,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,138,591.51 : 575,647,528.88 = 228,961,312.43 : x
  2. Step 2: Convert to fraction form
    417,138,591.51/575,647,528.88 = 228,961,312.43/x
  3. Step 3: Cross multiply
    417,138,591.51x = 575,647,528.88 × 228,961,312.43
  4. Step 4: Simplify right side
    417,138,591.51x = 131,801,013,707,149,872
  5. Step 5: Solve for x
    x = 131,801,013,707,149,872/417,138,591.51
  6. Step 6: Final answer
    x = 315,964,565.23

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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.