Home / 12,253,223,487.70-18,379,835,231.55-10,509,831,287.20

Finding the Fourth Proportional to 12,253,223,487.70, 18,379,835,231.55 and 10,509,831,287.20

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Solution

The fourth proportional to 12,253,223,487.70, 18,379,835,231.55 and 10,509,831,287.20 is: 15,764,746,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,223,487.70 : 18,379,835,231.55 = 10,509,831,287.20 : x
  2. Step 2: Convert to fraction form
    12,253,223,487.70/18,379,835,231.55 = 10,509,831,287.20/x
  3. Step 3: Cross multiply
    12,253,223,487.70x = 18,379,835,231.55 × 10,509,831,287.20
  4. Step 4: Simplify right side
    12,253,223,487.70x = 193,168,967,370,125,049,856
  5. Step 5: Solve for x
    x = 193,168,967,370,125,049,856/12,253,223,487.70
  6. Step 6: Final answer
    x = 15,764,746,930.80

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Double scale
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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.