Home / 1,005,968,445.66-1,388,236,521.76-559,922,236.54

Finding the Fourth Proportional to 1,005,968,445.66, 1,388,236,521.76 and 559,922,236.54

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Solution

The fourth proportional to 1,005,968,445.66, 1,388,236,521.76 and 559,922,236.54 is: 772,692,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,445.66 : 1,388,236,521.76 = 559,922,236.54 : x
  2. Step 2: Convert to fraction form
    1,005,968,445.66/1,388,236,521.76 = 559,922,236.54/x
  3. Step 3: Cross multiply
    1,005,968,445.66x = 1,388,236,521.76 × 559,922,236.54
  4. Step 4: Simplify right side
    1,005,968,445.66x = 777,304,498,105,499,136
  5. Step 5: Solve for x
    x = 777,304,498,105,499,136/1,005,968,445.66
  6. Step 6: Final answer
    x = 772,692,723.57

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Half scale
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Double scale
Find fourth proportional to 1,005,968,446.66, 1,388,236,523.14 and 559,922,237.54
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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.