Home / 407,885,784,649.71-562,884,132,771.39-222,491,533,811.36

Finding the Fourth Proportional to 407,885,784,649.71, 562,884,132,771.39 and 222,491,533,811.36

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Solution

The fourth proportional to 407,885,784,649.71, 562,884,132,771.39 and 222,491,533,811.36 is: 307,039,271,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,649.71 : 562,884,132,771.39 = 222,491,533,811.36 : x
  2. Step 2: Convert to fraction form
    407,885,784,649.71/562,884,132,771.39 = 222,491,533,811.36/x
  3. Step 3: Cross multiply
    407,885,784,649.71x = 562,884,132,771.39 × 222,491,533,811.36
  4. Step 4: Simplify right side
    407,885,784,649.71x = 125,236,954,058,383,771,566,080
  5. Step 5: Solve for x
    x = 125,236,954,058,383,771,566,080/407,885,784,649.71
  6. Step 6: Final answer
    x = 307,039,271,216.42

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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.