Home / 355,687,601.77-490,838,348.29-196,924,800.55

Finding the Fourth Proportional to 355,687,601.77, 490,838,348.29 and 196,924,800.55

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Solution

The fourth proportional to 355,687,601.77, 490,838,348.29 and 196,924,800.55 is: 271,750,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,687,601.77 : 490,838,348.29 = 196,924,800.55 : x
  2. Step 2: Convert to fraction form
    355,687,601.77/490,838,348.29 = 196,924,800.55/x
  3. Step 3: Cross multiply
    355,687,601.77x = 490,838,348.29 × 196,924,800.55
  4. Step 4: Simplify right side
    355,687,601.77x = 96,658,243,839,299,696
  5. Step 5: Solve for x
    x = 96,658,243,839,299,696/355,687,601.77
  6. Step 6: Final answer
    x = 271,750,388.14

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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.