Home / 407,885,784,648.12-562,884,132,769.20-222,491,533,809.77

Finding the Fourth Proportional to 407,885,784,648.12, 562,884,132,769.20 and 222,491,533,809.77

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Solution

The fourth proportional to 407,885,784,648.12, 562,884,132,769.20 and 222,491,533,809.77 is: 307,039,271,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,648.12 : 562,884,132,769.20 = 222,491,533,809.77 : x
  2. Step 2: Convert to fraction form
    407,885,784,648.12/562,884,132,769.20 = 222,491,533,809.77/x
  3. Step 3: Cross multiply
    407,885,784,648.12x = 562,884,132,769.20 × 222,491,533,809.77
  4. Step 4: Simplify right side
    407,885,784,648.12x = 125,236,954,057,001,513,517,056
  5. Step 5: Solve for x
    x = 125,236,954,057,001,513,517,056/407,885,784,648.12
  6. Step 6: Final answer
    x = 307,039,271,214.23

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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.