Home / 407,885,784,758.65-562,884,132,921.68-222,491,533,920.40

Finding the Fourth Proportional to 407,885,784,758.65, 562,884,132,921.68 and 222,491,533,920.40

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Solution

The fourth proportional to 407,885,784,758.65, 562,884,132,921.68 and 222,491,533,920.40 is: 307,039,271,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,758.65 : 562,884,132,921.68 = 222,491,533,920.40 : x
  2. Step 2: Convert to fraction form
    407,885,784,758.65/562,884,132,921.68 = 222,491,533,920.40/x
  3. Step 3: Cross multiply
    407,885,784,758.65x = 562,884,132,921.68 × 222,491,533,920.40
  4. Step 4: Simplify right side
    407,885,784,758.65x = 125,236,954,153,198,915,944,448
  5. Step 5: Solve for x
    x = 125,236,954,153,198,915,944,448/407,885,784,758.65
  6. Step 6: Final answer
    x = 307,039,271,366.87

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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.