Home / 415,255,109.65-622,944,600.97-152,919,489.69

Finding the Fourth Proportional to 415,255,109.65, 622,944,600.97 and 152,919,489.69

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Solution

The fourth proportional to 415,255,109.65, 622,944,600.97 and 152,919,489.69 is: 229,402,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,255,109.65 : 622,944,600.97 = 152,919,489.69 : x
  2. Step 2: Convert to fraction form
    415,255,109.65/622,944,600.97 = 152,919,489.69/x
  3. Step 3: Cross multiply
    415,255,109.65x = 622,944,600.97 × 152,919,489.69
  4. Step 4: Simplify right side
    415,255,109.65x = 95,260,370,485,473,088
  5. Step 5: Solve for x
    x = 95,260,370,485,473,088/415,255,109.65
  6. Step 6: Final answer
    x = 229,402,042.92

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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.