Home / 407,885,784,663.78-562,884,132,790.80-222,491,533,825.46

Finding the Fourth Proportional to 407,885,784,663.78, 562,884,132,790.80 and 222,491,533,825.46

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Solution

The fourth proportional to 407,885,784,663.78, 562,884,132,790.80 and 222,491,533,825.46 is: 307,039,271,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,663.78 : 562,884,132,790.80 = 222,491,533,825.46 : x
  2. Step 2: Convert to fraction form
    407,885,784,663.78/562,884,132,790.80 = 222,491,533,825.46/x
  3. Step 3: Cross multiply
    407,885,784,663.78x = 562,884,132,790.80 × 222,491,533,825.46
  4. Step 4: Simplify right side
    407,885,784,663.78x = 125,236,954,070,639,007,760,384
  5. Step 5: Solve for x
    x = 125,236,954,070,639,007,760,384/407,885,784,663.78
  6. Step 6: Final answer
    x = 307,039,271,235.87

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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.