Home / 415,255,115.32-622,944,609.52-152,919,495.36

Finding the Fourth Proportional to 415,255,115.32, 622,944,609.52 and 152,919,495.36

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Solution

The fourth proportional to 415,255,115.32, 622,944,609.52 and 152,919,495.36 is: 229,402,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,255,115.32 : 622,944,609.52 = 152,919,495.36 : x
  2. Step 2: Convert to fraction form
    415,255,115.32/622,944,609.52 = 152,919,495.36/x
  3. Step 3: Cross multiply
    415,255,115.32x = 622,944,609.52 × 152,919,495.36
  4. Step 4: Simplify right side
    415,255,115.32x = 95,260,375,325,030,656
  5. Step 5: Solve for x
    x = 95,260,375,325,030,656/415,255,115.32
  6. Step 6: Final answer
    x = 229,402,051.44

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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.