Home / 1,096,101,280.70-1,644,151,921.05-863,648,987.30

Finding the Fourth Proportional to 1,096,101,280.70, 1,644,151,921.05 and 863,648,987.30

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Solution

The fourth proportional to 1,096,101,280.70, 1,644,151,921.05 and 863,648,987.30 is: 1,295,473,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,101,280.70 : 1,644,151,921.05 = 863,648,987.30 : x
  2. Step 2: Convert to fraction form
    1,096,101,280.70/1,644,151,921.05 = 863,648,987.30/x
  3. Step 3: Cross multiply
    1,096,101,280.70x = 1,644,151,921.05 × 863,648,987.30
  4. Step 4: Simplify right side
    1,096,101,280.70x = 1,419,970,141,582,181,888
  5. Step 5: Solve for x
    x = 1,419,970,141,582,181,888/1,096,101,280.70
  6. Step 6: Final answer
    x = 1,295,473,480.95

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Half scale
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Double scale
Find fourth proportional to 1,096,101,281.70, 1,644,151,922.55 and 863,648,988.30
Similar ratio
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1.5x scale

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.