Home / 407,885,784,651.55-562,884,132,773.88-222,491,533,813.21

Finding the Fourth Proportional to 407,885,784,651.55, 562,884,132,773.88 and 222,491,533,813.21

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Solution

The fourth proportional to 407,885,784,651.55, 562,884,132,773.88 and 222,491,533,813.21 is: 307,039,271,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,651.55 : 562,884,132,773.88 = 222,491,533,813.21 : x
  2. Step 2: Convert to fraction form
    407,885,784,651.55/562,884,132,773.88 = 222,491,533,813.21/x
  3. Step 3: Cross multiply
    407,885,784,651.55x = 562,884,132,773.88 × 222,491,533,813.21
  4. Step 4: Simplify right side
    407,885,784,651.55x = 125,236,954,059,979,100,258,304
  5. Step 5: Solve for x
    x = 125,236,954,059,979,100,258,304/407,885,784,651.55
  6. Step 6: Final answer
    x = 307,039,271,218.94

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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.