Home / 464,419,983.61-640,755,293.94-263,443,735.05

Finding the Fourth Proportional to 464,419,983.61, 640,755,293.94 and 263,443,735.05

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Solution

The fourth proportional to 464,419,983.61, 640,755,293.94 and 263,443,735.05 is: 363,470,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,419,983.61 : 640,755,293.94 = 263,443,735.05 : x
  2. Step 2: Convert to fraction form
    464,419,983.61/640,755,293.94 = 263,443,735.05/x
  3. Step 3: Cross multiply
    464,419,983.61x = 640,755,293.94 × 263,443,735.05
  4. Step 4: Simplify right side
    464,419,983.61x = 168,802,967,888,614,240
  5. Step 5: Solve for x
    x = 168,802,967,888,614,240/464,419,983.61
  6. Step 6: Final answer
    x = 363,470,509.12

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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.