Home / 1,005,968,452.16-1,388,236,530.76-559,922,243.04

Finding the Fourth Proportional to 1,005,968,452.16, 1,388,236,530.76 and 559,922,243.04

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Solution

The fourth proportional to 1,005,968,452.16, 1,388,236,530.76 and 559,922,243.04 is: 772,692,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,452.16 : 1,388,236,530.76 = 559,922,243.04 : x
  2. Step 2: Convert to fraction form
    1,005,968,452.16/1,388,236,530.76 = 559,922,243.04/x
  3. Step 3: Cross multiply
    1,005,968,452.16x = 1,388,236,530.76 × 559,922,243.04
  4. Step 4: Simplify right side
    1,005,968,452.16x = 777,304,512,173,207,040
  5. Step 5: Solve for x
    x = 777,304,512,173,207,040/1,005,968,452.16
  6. Step 6: Final answer
    x = 772,692,732.56

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Half scale
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Double scale
Find fourth proportional to 1,005,968,453.16, 1,388,236,532.14 and 559,922,244.04
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1.5x scale

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.