Home / 422,112,067.60-633,168,101.40-260,868,931.60

Finding the Fourth Proportional to 422,112,067.60, 633,168,101.40 and 260,868,931.60

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Solution

The fourth proportional to 422,112,067.60, 633,168,101.40 and 260,868,931.60 is: 391,303,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,112,067.60 : 633,168,101.40 = 260,868,931.60 : x
  2. Step 2: Convert to fraction form
    422,112,067.60/633,168,101.40 = 260,868,931.60/x
  3. Step 3: Cross multiply
    422,112,067.60x = 633,168,101.40 × 260,868,931.60
  4. Step 4: Simplify right side
    422,112,067.60x = 165,173,886,135,418,464
  5. Step 5: Solve for x
    x = 165,173,886,135,418,464/422,112,067.60
  6. Step 6: Final answer
    x = 391,303,397.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.