Home / 407,885,784,649.67-562,884,132,771.33-222,491,533,811.33

Finding the Fourth Proportional to 407,885,784,649.67, 562,884,132,771.33 and 222,491,533,811.33

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Solution

The fourth proportional to 407,885,784,649.67, 562,884,132,771.33 and 222,491,533,811.33 is: 307,039,271,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,649.67 : 562,884,132,771.33 = 222,491,533,811.33 : x
  2. Step 2: Convert to fraction form
    407,885,784,649.67/562,884,132,771.33 = 222,491,533,811.33/x
  3. Step 3: Cross multiply
    407,885,784,649.67x = 562,884,132,771.33 × 222,491,533,811.33
  4. Step 4: Simplify right side
    407,885,784,649.67x = 125,236,954,058,353,522,245,632
  5. Step 5: Solve for x
    x = 125,236,954,058,353,522,245,632/407,885,784,649.67
  6. Step 6: Final answer
    x = 307,039,271,216.37

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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.