Home / 268,700,839,422.72-403,052,765,879.93-89,626,334,621.73

Finding the Fourth Proportional to 268,700,839,422.72, 403,052,765,879.93 and 89,626,334,621.73

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Solution

The fourth proportional to 268,700,839,422.72, 403,052,765,879.93 and 89,626,334,621.73 is: 134,440,004,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,700,839,422.72 : 403,052,765,879.93 = 89,626,334,621.73 : x
  2. Step 2: Convert to fraction form
    268,700,839,422.72/403,052,765,879.93 = 89,626,334,621.73/x
  3. Step 3: Cross multiply
    268,700,839,422.72x = 403,052,765,879.93 × 89,626,334,621.73
  4. Step 4: Simplify right side
    268,700,839,422.72x = 36,124,142,064,968,405,090,304
  5. Step 5: Solve for x
    x = 36,124,142,064,968,405,090,304/268,700,839,422.72
  6. Step 6: Final answer
    x = 134,440,004,514.23

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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.