Home / 407,885,784,652.72-562,884,132,775.44-222,491,533,814.36

Finding the Fourth Proportional to 407,885,784,652.72, 562,884,132,775.44 and 222,491,533,814.36

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Solution

The fourth proportional to 407,885,784,652.72, 562,884,132,775.44 and 222,491,533,814.36 is: 307,039,271,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,652.72 : 562,884,132,775.44 = 222,491,533,814.36 : x
  2. Step 2: Convert to fraction form
    407,885,784,652.72/562,884,132,775.44 = 222,491,533,814.36/x
  3. Step 3: Cross multiply
    407,885,784,652.72x = 562,884,132,775.44 × 222,491,533,814.36
  4. Step 4: Simplify right side
    407,885,784,652.72x = 125,236,954,060,973,485,850,624
  5. Step 5: Solve for x
    x = 125,236,954,060,973,485,850,624/407,885,784,652.72
  6. Step 6: Final answer
    x = 307,039,271,220.50

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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.