Home / 858,719,246,455.80-1,288,078,869,683.70-230,644,983,108.60

Finding the Fourth Proportional to 858,719,246,455.80, 1,288,078,869,683.70 and 230,644,983,108.60

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Solution

The fourth proportional to 858,719,246,455.80, 1,288,078,869,683.70 and 230,644,983,108.60 is: 345,967,474,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,719,246,455.80 : 1,288,078,869,683.70 = 230,644,983,108.60 : x
  2. Step 2: Convert to fraction form
    858,719,246,455.80/1,288,078,869,683.70 = 230,644,983,108.60/x
  3. Step 3: Cross multiply
    858,719,246,455.80x = 1,288,078,869,683.70 × 230,644,983,108.60
  4. Step 4: Simplify right side
    858,719,246,455.80x = 297,088,929,140,741,576,327,168
  5. Step 5: Solve for x
    x = 297,088,929,140,741,576,327,168/858,719,246,455.80
  6. Step 6: Final answer
    x = 345,967,474,662.90

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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.