Home / 470,470,028.48-649,153,496.16-274,861,949.12

Finding the Fourth Proportional to 470,470,028.48, 649,153,496.16 and 274,861,949.12

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Solution

The fourth proportional to 470,470,028.48, 649,153,496.16 and 274,861,949.12 is: 379,253,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,470,028.48 : 649,153,496.16 = 274,861,949.12 : x
  2. Step 2: Convert to fraction form
    470,470,028.48/649,153,496.16 = 274,861,949.12/x
  3. Step 3: Cross multiply
    470,470,028.48x = 649,153,496.16 × 274,861,949.12
  4. Step 4: Simplify right side
    470,470,028.48x = 178,427,595,232,600,032
  5. Step 5: Solve for x
    x = 178,427,595,232,600,032/470,470,028.48
  6. Step 6: Final answer
    x = 379,253,904.46

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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.