Home / 485,286,833-727,930,249.50-162,170,705

Finding the Fourth Proportional to 485,286,833, 727,930,249.50 and 162,170,705

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Solution

The fourth proportional to 485,286,833, 727,930,249.50 and 162,170,705 is: 243,256,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,286,833 : 727,930,249.50 = 162,170,705 : x
  2. Step 2: Convert to fraction form
    485,286,833/727,930,249.50 = 162,170,705/x
  3. Step 3: Cross multiply
    485,286,833x = 727,930,249.50 × 162,170,705
  4. Step 4: Simplify right side
    485,286,833x = 118,048,961,752,240,896
  5. Step 5: Solve for x
    x = 118,048,961,752,240,896/485,286,833
  6. Step 6: Final answer
    x = 243,256,057.50

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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.