Home / 407,885,784,759.66-562,884,132,923.06-222,491,533,921.40

Finding the Fourth Proportional to 407,885,784,759.66, 562,884,132,923.06 and 222,491,533,921.40

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Solution

The fourth proportional to 407,885,784,759.66, 562,884,132,923.06 and 222,491,533,921.40 is: 307,039,271,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,784,759.66 : 562,884,132,923.06 = 222,491,533,921.40 : x
  2. Step 2: Convert to fraction form
    407,885,784,759.66/562,884,132,923.06 = 222,491,533,921.40/x
  3. Step 3: Cross multiply
    407,885,784,759.66x = 562,884,132,923.06 × 222,491,533,921.40
  4. Step 4: Simplify right side
    407,885,784,759.66x = 125,236,954,154,068,848,148,480
  5. Step 5: Solve for x
    x = 125,236,954,154,068,848,148,480/407,885,784,759.66
  6. Step 6: Final answer
    x = 307,039,271,368.24

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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.