Home / 407,885,784,650.67-562,884,132,772.71-222,491,533,812.33

Finding the Fourth Proportional to 407,885,784,650.67, 562,884,132,772.71 and 222,491,533,812.33

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Solution

The fourth proportional to 407,885,784,650.67, 562,884,132,772.71 and 222,491,533,812.33 is: 307,039,271,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,650.67 : 562,884,132,772.71 = 222,491,533,812.33 : x
  2. Step 2: Convert to fraction form
    407,885,784,650.67/562,884,132,772.71 = 222,491,533,812.33/x
  3. Step 3: Cross multiply
    407,885,784,650.67x = 562,884,132,772.71 × 222,491,533,812.33
  4. Step 4: Simplify right side
    407,885,784,650.67x = 125,236,954,059,223,437,672,448
  5. Step 5: Solve for x
    x = 125,236,954,059,223,437,672,448/407,885,784,650.67
  6. Step 6: Final answer
    x = 307,039,271,217.75

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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.