Home / 468,407,011,182.98-646,163,780,021.23-305,921,768,476.24

Finding the Fourth Proportional to 468,407,011,182.98, 646,163,780,021.23 and 305,921,768,476.24

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Solution

The fourth proportional to 468,407,011,182.98, 646,163,780,021.23 and 305,921,768,476.24 is: 422,016,668,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,407,011,182.98 : 646,163,780,021.23 = 305,921,768,476.24 : x
  2. Step 2: Convert to fraction form
    468,407,011,182.98/646,163,780,021.23 = 305,921,768,476.24/x
  3. Step 3: Cross multiply
    468,407,011,182.98x = 646,163,780,021.23 × 305,921,768,476.24
  4. Step 4: Simplify right side
    468,407,011,182.98x = 197,675,566,309,386,783,555,584
  5. Step 5: Solve for x
    x = 197,675,566,309,386,783,555,584/468,407,011,182.98
  6. Step 6: Final answer
    x = 422,016,668,388.78

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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.