Home / 407,885,784,652.52-562,884,132,775.24-222,491,533,814.20

Finding the Fourth Proportional to 407,885,784,652.52, 562,884,132,775.24 and 222,491,533,814.20

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Solution

The fourth proportional to 407,885,784,652.52, 562,884,132,775.24 and 222,491,533,814.20 is: 307,039,271,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,652.52 : 562,884,132,775.24 = 222,491,533,814.20 : x
  2. Step 2: Convert to fraction form
    407,885,784,652.52/562,884,132,775.24 = 222,491,533,814.20/x
  3. Step 3: Cross multiply
    407,885,784,652.52x = 562,884,132,775.24 × 222,491,533,814.20
  4. Step 4: Simplify right side
    407,885,784,652.52x = 125,236,954,060,838,949,355,520
  5. Step 5: Solve for x
    x = 125,236,954,060,838,949,355,520/407,885,784,652.52
  6. Step 6: Final answer
    x = 307,039,271,220.32

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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.