Home / 1,005,968,442.70-1,388,236,517.67-559,922,233.60

Finding the Fourth Proportional to 1,005,968,442.70, 1,388,236,517.67 and 559,922,233.60

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Solution

The fourth proportional to 1,005,968,442.70, 1,388,236,517.67 and 559,922,233.60 is: 772,692,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,442.70 : 1,388,236,517.67 = 559,922,233.60 : x
  2. Step 2: Convert to fraction form
    1,005,968,442.70/1,388,236,517.67 = 559,922,233.60/x
  3. Step 3: Cross multiply
    1,005,968,442.70x = 1,388,236,517.67 × 559,922,233.60
  4. Step 4: Simplify right side
    1,005,968,442.70x = 777,304,491,738,872,320
  5. Step 5: Solve for x
    x = 777,304,491,738,872,320/1,005,968,442.70
  6. Step 6: Final answer
    x = 772,692,719.52

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Double scale
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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.