Home / 780,055,956.15-1,170,083,934.23-262,314,324.15

Finding the Fourth Proportional to 780,055,956.15, 1,170,083,934.23 and 262,314,324.15

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Solution

The fourth proportional to 780,055,956.15, 1,170,083,934.23 and 262,314,324.15 is: 393,471,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,055,956.15 : 1,170,083,934.23 = 262,314,324.15 : x
  2. Step 2: Convert to fraction form
    780,055,956.15/1,170,083,934.23 = 262,314,324.15/x
  3. Step 3: Cross multiply
    780,055,956.15x = 1,170,083,934.23 × 262,314,324.15
  4. Step 4: Simplify right side
    780,055,956.15x = 306,929,776,405,003,904
  5. Step 5: Solve for x
    x = 306,929,776,405,003,904/780,055,956.15
  6. Step 6: Final answer
    x = 393,471,486.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.