Home / 407,885,784,647.34-562,884,132,768.10-222,491,533,809.02

Finding the Fourth Proportional to 407,885,784,647.34, 562,884,132,768.10 and 222,491,533,809.02

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Solution

The fourth proportional to 407,885,784,647.34, 562,884,132,768.10 and 222,491,533,809.02 is: 307,039,271,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,647.34 : 562,884,132,768.10 = 222,491,533,809.02 : x
  2. Step 2: Convert to fraction form
    407,885,784,647.34/562,884,132,768.10 = 222,491,533,809.02/x
  3. Step 3: Cross multiply
    407,885,784,647.34x = 562,884,132,768.10 × 222,491,533,809.02
  4. Step 4: Simplify right side
    407,885,784,647.34x = 125,236,954,056,334,619,181,056
  5. Step 5: Solve for x
    x = 125,236,954,056,334,619,181,056/407,885,784,647.34
  6. Step 6: Final answer
    x = 307,039,271,213.18

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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.