Home / 407,885,784,648.66-562,884,132,769.94-222,491,533,810.32

Finding the Fourth Proportional to 407,885,784,648.66, 562,884,132,769.94 and 222,491,533,810.32

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Solution

The fourth proportional to 407,885,784,648.66, 562,884,132,769.94 and 222,491,533,810.32 is: 307,039,271,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,648.66 : 562,884,132,769.94 = 222,491,533,810.32 : x
  2. Step 2: Convert to fraction form
    407,885,784,648.66/562,884,132,769.94 = 222,491,533,810.32/x
  3. Step 3: Cross multiply
    407,885,784,648.66x = 562,884,132,769.94 × 222,491,533,810.32
  4. Step 4: Simplify right side
    407,885,784,648.66x = 125,236,954,057,475,755,081,728
  5. Step 5: Solve for x
    x = 125,236,954,057,475,755,081,728/407,885,784,648.66
  6. Step 6: Final answer
    x = 307,039,271,214.98

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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.