Home / 468,407,011,183.30-646,163,780,021.62-305,921,768,476.58

Finding the Fourth Proportional to 468,407,011,183.30, 646,163,780,021.62 and 305,921,768,476.58

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Solution

The fourth proportional to 468,407,011,183.30, 646,163,780,021.62 and 305,921,768,476.58 is: 422,016,668,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,407,011,183.30 : 646,163,780,021.62 = 305,921,768,476.58 : x
  2. Step 2: Convert to fraction form
    468,407,011,183.30/646,163,780,021.62 = 305,921,768,476.58/x
  3. Step 3: Cross multiply
    468,407,011,183.30x = 646,163,780,021.62 × 305,921,768,476.58
  4. Step 4: Simplify right side
    468,407,011,183.30x = 197,675,566,309,725,817,536,512
  5. Step 5: Solve for x
    x = 197,675,566,309,725,817,536,512/468,407,011,183.30
  6. Step 6: Final answer
    x = 422,016,668,389.22

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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.