Home / 361,169,862.39-498,416,961.02-196,157,431.89

Finding the Fourth Proportional to 361,169,862.39, 498,416,961.02 and 196,157,431.89

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Solution

The fourth proportional to 361,169,862.39, 498,416,961.02 and 196,157,431.89 is: 270,698,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,169,862.39 : 498,416,961.02 = 196,157,431.89 : x
  2. Step 2: Convert to fraction form
    361,169,862.39/498,416,961.02 = 196,157,431.89/x
  3. Step 3: Cross multiply
    361,169,862.39x = 498,416,961.02 × 196,157,431.89
  4. Step 4: Simplify right side
    361,169,862.39x = 97,768,191,083,120,640
  5. Step 5: Solve for x
    x = 97,768,191,083,120,640/361,169,862.39
  6. Step 6: Final answer
    x = 270,698,641.45

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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.