Home / 17,939,721,844.20-26,909,582,766.30-8,621,222,773.80

Finding the Fourth Proportional to 17,939,721,844.20, 26,909,582,766.30 and 8,621,222,773.80

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Solution

The fourth proportional to 17,939,721,844.20, 26,909,582,766.30 and 8,621,222,773.80 is: 12,931,834,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939,721,844.20 : 26,909,582,766.30 = 8,621,222,773.80 : x
  2. Step 2: Convert to fraction form
    17,939,721,844.20/26,909,582,766.30 = 8,621,222,773.80/x
  3. Step 3: Cross multiply
    17,939,721,844.20x = 26,909,582,766.30 × 8,621,222,773.80
  4. Step 4: Simplify right side
    17,939,721,844.20x = 231,993,507,778,281,537,536
  5. Step 5: Solve for x
    x = 231,993,507,778,281,537,536/17,939,721,844.20
  6. Step 6: Final answer
    x = 12,931,834,160.70

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Double scale
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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.