Home / 361,169,865.39-498,416,965.17-196,157,434.89

Finding the Fourth Proportional to 361,169,865.39, 498,416,965.17 and 196,157,434.89

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Solution

The fourth proportional to 361,169,865.39, 498,416,965.17 and 196,157,434.89 is: 270,698,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,169,865.39 : 498,416,965.17 = 196,157,434.89 : x
  2. Step 2: Convert to fraction form
    361,169,865.39/498,416,965.17 = 196,157,434.89/x
  3. Step 3: Cross multiply
    361,169,865.39x = 498,416,965.17 × 196,157,434.89
  4. Step 4: Simplify right side
    361,169,865.39x = 97,768,193,393,405,664
  5. Step 5: Solve for x
    x = 97,768,193,393,405,664/361,169,865.39
  6. Step 6: Final answer
    x = 270,698,645.60

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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.