Home / 915,627,334.20-1,373,524,982.10-302,212,908.60

Finding the Fourth Proportional to 915,627,334.20, 1,373,524,982.10 and 302,212,908.60

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Solution

The fourth proportional to 915,627,334.20, 1,373,524,982.10 and 302,212,908.60 is: 453,347,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,627,334.20 : 1,373,524,982.10 = 302,212,908.60 : x
  2. Step 2: Convert to fraction form
    915,627,334.20/1,373,524,982.10 = 302,212,908.60/x
  3. Step 3: Cross multiply
    915,627,334.20x = 1,373,524,982.10 × 302,212,908.60
  4. Step 4: Simplify right side
    915,627,334.20x = 415,096,979,875,203,968
  5. Step 5: Solve for x
    x = 415,096,979,875,203,968/915,627,334.20
  6. Step 6: Final answer
    x = 453,347,081.69

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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.