Home / 1,005,968,442.83-1,388,236,517.84-559,922,233.73

Finding the Fourth Proportional to 1,005,968,442.83, 1,388,236,517.84 and 559,922,233.73

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Solution

The fourth proportional to 1,005,968,442.83, 1,388,236,517.84 and 559,922,233.73 is: 772,692,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,442.83 : 1,388,236,517.84 = 559,922,233.73 : x
  2. Step 2: Convert to fraction form
    1,005,968,442.83/1,388,236,517.84 = 559,922,233.73/x
  3. Step 3: Cross multiply
    1,005,968,442.83x = 1,388,236,517.84 × 559,922,233.73
  4. Step 4: Simplify right side
    1,005,968,442.83x = 777,304,492,008,988,416
  5. Step 5: Solve for x
    x = 777,304,492,008,988,416/1,005,968,442.83
  6. Step 6: Final answer
    x = 772,692,719.69

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Double scale
Find fourth proportional to 1,005,968,443.83, 1,388,236,519.22 and 559,922,234.73
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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.