Home / 676,976,427.56-934,361,450.60-439,116,390.29

Finding the Fourth Proportional to 676,976,427.56, 934,361,450.60 and 439,116,390.29

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Solution

The fourth proportional to 676,976,427.56, 934,361,450.60 and 439,116,390.29 is: 606,067,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,976,427.56 : 934,361,450.60 = 439,116,390.29 : x
  2. Step 2: Convert to fraction form
    676,976,427.56/934,361,450.60 = 439,116,390.29/x
  3. Step 3: Cross multiply
    676,976,427.56x = 934,361,450.60 × 439,116,390.29
  4. Step 4: Simplify right side
    676,976,427.56x = 410,293,427,406,732,800
  5. Step 5: Solve for x
    x = 410,293,427,406,732,800/676,976,427.56
  6. Step 6: Final answer
    x = 606,067,524.22

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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.