Home / 407,885,784,647.97-562,884,132,769-222,491,533,809.64

Finding the Fourth Proportional to 407,885,784,647.97, 562,884,132,769 and 222,491,533,809.64

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Solution

The fourth proportional to 407,885,784,647.97, 562,884,132,769 and 222,491,533,809.64 is: 307,039,271,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,647.97 : 562,884,132,769 = 222,491,533,809.64 : x
  2. Step 2: Convert to fraction form
    407,885,784,647.97/562,884,132,769 = 222,491,533,809.64/x
  3. Step 3: Cross multiply
    407,885,784,647.97x = 562,884,132,769 × 222,491,533,809.64
  4. Step 4: Simplify right side
    407,885,784,647.97x = 125,236,954,056,883,854,901,248
  5. Step 5: Solve for x
    x = 125,236,954,056,883,854,901,248/407,885,784,647.97
  6. Step 6: Final answer
    x = 307,039,271,214.05

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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.