Home / 490,023,009.60-735,034,514.40-199,029,537.60

Finding the Fourth Proportional to 490,023,009.60, 735,034,514.40 and 199,029,537.60

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Solution

The fourth proportional to 490,023,009.60, 735,034,514.40 and 199,029,537.60 is: 298,544,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,023,009.60 : 735,034,514.40 = 199,029,537.60 : x
  2. Step 2: Convert to fraction form
    490,023,009.60/735,034,514.40 = 199,029,537.60/x
  3. Step 3: Cross multiply
    490,023,009.60x = 735,034,514.40 × 199,029,537.60
  4. Step 4: Simplify right side
    490,023,009.60x = 146,293,579,521,072,544
  5. Step 5: Solve for x
    x = 146,293,579,521,072,544/490,023,009.60
  6. Step 6: Final answer
    x = 298,544,306.40

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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.