Home / 512,061,943.69-706,647,707.51-277,112,623.90

Finding the Fourth Proportional to 512,061,943.69, 706,647,707.51 and 277,112,623.90

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Solution

The fourth proportional to 512,061,943.69, 706,647,707.51 and 277,112,623.90 is: 382,416,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,061,943.69 : 706,647,707.51 = 277,112,623.90 : x
  2. Step 2: Convert to fraction form
    512,061,943.69/706,647,707.51 = 277,112,623.90/x
  3. Step 3: Cross multiply
    512,061,943.69x = 706,647,707.51 × 277,112,623.90
  4. Step 4: Simplify right side
    512,061,943.69x = 195,821,000,399,630,240
  5. Step 5: Solve for x
    x = 195,821,000,399,630,240/512,061,943.69
  6. Step 6: Final answer
    x = 382,416,625.20

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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.