Home / 1,182,738,844.80-1,631,998,281.60-680,850,613.92

Finding the Fourth Proportional to 1,182,738,844.80, 1,631,998,281.60 and 680,850,613.92

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Solution

The fourth proportional to 1,182,738,844.80, 1,631,998,281.60 and 680,850,613.92 is: 939,469,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,738,844.80 : 1,631,998,281.60 = 680,850,613.92 : x
  2. Step 2: Convert to fraction form
    1,182,738,844.80/1,631,998,281.60 = 680,850,613.92/x
  3. Step 3: Cross multiply
    1,182,738,844.80x = 1,631,998,281.60 × 680,850,613.92
  4. Step 4: Simplify right side
    1,182,738,844.80x = 1,111,147,031,943,744,896
  5. Step 5: Solve for x
    x = 1,111,147,031,943,744,896/1,182,738,844.80
  6. Step 6: Final answer
    x = 939,469,466.85

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Half scale
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Double scale
Find fourth proportional to 1,182,738,845.80, 1,631,998,282.98 and 680,850,614.92
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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.