Home / 407,885,784,650.69-562,884,132,772.69-222,491,533,812.34

Finding the Fourth Proportional to 407,885,784,650.69, 562,884,132,772.69 and 222,491,533,812.34

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Solution

The fourth proportional to 407,885,784,650.69, 562,884,132,772.69 and 222,491,533,812.34 is: 307,039,271,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,650.69 : 562,884,132,772.69 = 222,491,533,812.34 : x
  2. Step 2: Convert to fraction form
    407,885,784,650.69/562,884,132,772.69 = 222,491,533,812.34/x
  3. Step 3: Cross multiply
    407,885,784,650.69x = 562,884,132,772.69 × 222,491,533,812.34
  4. Step 4: Simplify right side
    407,885,784,650.69x = 125,236,954,059,224,612,077,568
  5. Step 5: Solve for x
    x = 125,236,954,059,224,612,077,568/407,885,784,650.69
  6. Step 6: Final answer
    x = 307,039,271,217.74

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Double scale
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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.