Home / 407,885,784,647.46-562,884,132,768.27-222,491,533,809.14

Finding the Fourth Proportional to 407,885,784,647.46, 562,884,132,768.27 and 222,491,533,809.14

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Solution

The fourth proportional to 407,885,784,647.46, 562,884,132,768.27 and 222,491,533,809.14 is: 307,039,271,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,647.46 : 562,884,132,768.27 = 222,491,533,809.14 : x
  2. Step 2: Convert to fraction form
    407,885,784,647.46/562,884,132,768.27 = 222,491,533,809.14/x
  3. Step 3: Cross multiply
    407,885,784,647.46x = 562,884,132,768.27 × 222,491,533,809.14
  4. Step 4: Simplify right side
    407,885,784,647.46x = 125,236,954,056,440,013,651,968
  5. Step 5: Solve for x
    x = 125,236,954,056,440,013,651,968/407,885,784,647.46
  6. Step 6: Final answer
    x = 307,039,271,213.35

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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.