Home / 353,727,335.42-488,145,659.43-205,136,556.38

Finding the Fourth Proportional to 353,727,335.42, 488,145,659.43 and 205,136,556.38

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Solution

The fourth proportional to 353,727,335.42, 488,145,659.43 and 205,136,556.38 is: 283,089,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,727,335.42 : 488,145,659.43 = 205,136,556.38 : x
  2. Step 2: Convert to fraction form
    353,727,335.42/488,145,659.43 = 205,136,556.38/x
  3. Step 3: Cross multiply
    353,727,335.42x = 488,145,659.43 × 205,136,556.38
  4. Step 4: Simplify right side
    353,727,335.42x = 100,136,519,587,314,480
  5. Step 5: Solve for x
    x = 100,136,519,587,314,480/353,727,335.42
  6. Step 6: Final answer
    x = 283,089,570.87

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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.