Home / 407,885,784,651.30-562,884,132,773.54-222,491,533,812.96

Finding the Fourth Proportional to 407,885,784,651.30, 562,884,132,773.54 and 222,491,533,812.96

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Solution

The fourth proportional to 407,885,784,651.30, 562,884,132,773.54 and 222,491,533,812.96 is: 307,039,271,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,651.30 : 562,884,132,773.54 = 222,491,533,812.96 : x
  2. Step 2: Convert to fraction form
    407,885,784,651.30/562,884,132,773.54 = 222,491,533,812.96/x
  3. Step 3: Cross multiply
    407,885,784,651.30x = 562,884,132,773.54 × 222,491,533,812.96
  4. Step 4: Simplify right side
    407,885,784,651.30x = 125,236,954,059,762,741,280,768
  5. Step 5: Solve for x
    x = 125,236,954,059,762,741,280,768/407,885,784,651.30
  6. Step 6: Final answer
    x = 307,039,271,218.60

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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.