Home / 407,885,784,648.67-562,884,132,769.95-222,491,533,810.33

Finding the Fourth Proportional to 407,885,784,648.67, 562,884,132,769.95 and 222,491,533,810.33

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Solution

The fourth proportional to 407,885,784,648.67, 562,884,132,769.95 and 222,491,533,810.33 is: 307,039,271,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,648.67 : 562,884,132,769.95 = 222,491,533,810.33 : x
  2. Step 2: Convert to fraction form
    407,885,784,648.67/562,884,132,769.95 = 222,491,533,810.33/x
  3. Step 3: Cross multiply
    407,885,784,648.67x = 562,884,132,769.95 × 222,491,533,810.33
  4. Step 4: Simplify right side
    407,885,784,648.67x = 125,236,954,057,483,590,041,600
  5. Step 5: Solve for x
    x = 125,236,954,057,483,590,041,600/407,885,784,648.67
  6. Step 6: Final answer
    x = 307,039,271,214.99

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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.