Home / 676,976,469.78-934,361,507.79-439,116,432.06

Finding the Fourth Proportional to 676,976,469.78, 934,361,507.79 and 439,116,432.06

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Solution

The fourth proportional to 676,976,469.78, 934,361,507.79 and 439,116,432.06 is: 606,067,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,976,469.78 : 934,361,507.79 = 439,116,432.06 : x
  2. Step 2: Convert to fraction form
    676,976,469.78/934,361,507.79 = 439,116,432.06/x
  3. Step 3: Cross multiply
    676,976,469.78x = 934,361,507.79 × 439,116,432.06
  4. Step 4: Simplify right side
    676,976,469.78x = 410,293,491,554,946,688
  5. Step 5: Solve for x
    x = 410,293,491,554,946,688/676,976,469.78
  6. Step 6: Final answer
    x = 606,067,581.18

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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.