Home / 260,451,570.78-359,409,968.39-154,609,510.28

Finding the Fourth Proportional to 260,451,570.78, 359,409,968.39 and 154,609,510.28

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Solution

The fourth proportional to 260,451,570.78, 359,409,968.39 and 154,609,510.28 is: 213,353,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,451,570.78 : 359,409,968.39 = 154,609,510.28 : x
  2. Step 2: Convert to fraction form
    260,451,570.78/359,409,968.39 = 154,609,510.28/x
  3. Step 3: Cross multiply
    260,451,570.78x = 359,409,968.39 × 154,609,510.28
  4. Step 4: Simplify right side
    260,451,570.78x = 55,568,199,201,117,656
  5. Step 5: Solve for x
    x = 55,568,199,201,117,656/260,451,570.78
  6. Step 6: Final answer
    x = 213,353,288.81

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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.