Home / 355,310,501.18-490,290,742.94-196,515,390.48

Finding the Fourth Proportional to 355,310,501.18, 490,290,742.94 and 196,515,390.48

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Solution

The fourth proportional to 355,310,501.18, 490,290,742.94 and 196,515,390.48 is: 271,170,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,310,501.18 : 490,290,742.94 = 196,515,390.48 : x
  2. Step 2: Convert to fraction form
    355,310,501.18/490,290,742.94 = 196,515,390.48/x
  3. Step 3: Cross multiply
    355,310,501.18x = 490,290,742.94 × 196,515,390.48
  4. Step 4: Simplify right side
    355,310,501.18x = 96,349,676,797,583,392
  5. Step 5: Solve for x
    x = 96,349,676,797,583,392/355,310,501.18
  6. Step 6: Final answer
    x = 271,170,360.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.