Home / 519,854,243.64-779,616,732.96-170,019,481.56

Finding the Fourth Proportional to 519,854,243.64, 779,616,732.96 and 170,019,481.56

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Solution

The fourth proportional to 519,854,243.64, 779,616,732.96 and 170,019,481.56 is: 254,975,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,854,243.64 : 779,616,732.96 = 170,019,481.56 : x
  2. Step 2: Convert to fraction form
    519,854,243.64/779,616,732.96 = 170,019,481.56/x
  3. Step 3: Cross multiply
    519,854,243.64x = 779,616,732.96 × 170,019,481.56
  4. Step 4: Simplify right side
    519,854,243.64x = 132,550,032,753,360,176
  5. Step 5: Solve for x
    x = 132,550,032,753,360,176/519,854,243.64
  6. Step 6: Final answer
    x = 254,975,378.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.