Home / 407,885,784,647.88-562,884,132,768.90-222,491,533,809.52

Finding the Fourth Proportional to 407,885,784,647.88, 562,884,132,768.90 and 222,491,533,809.52

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Solution

The fourth proportional to 407,885,784,647.88, 562,884,132,768.90 and 222,491,533,809.52 is: 307,039,271,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,647.88 : 562,884,132,768.90 = 222,491,533,809.52 : x
  2. Step 2: Convert to fraction form
    407,885,784,647.88/562,884,132,768.90 = 222,491,533,809.52/x
  3. Step 3: Cross multiply
    407,885,784,647.88x = 562,884,132,768.90 × 222,491,533,809.52
  4. Step 4: Simplify right side
    407,885,784,647.88x = 125,236,954,056,794,063,241,216
  5. Step 5: Solve for x
    x = 125,236,954,056,794,063,241,216/407,885,784,647.88
  6. Step 6: Final answer
    x = 307,039,271,213.90

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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.