Home / 627,923,305.50-866,534,161.59-349,530,594.87

Finding the Fourth Proportional to 627,923,305.50, 866,534,161.59 and 349,530,594.87

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Solution

The fourth proportional to 627,923,305.50, 866,534,161.59 and 349,530,594.87 is: 482,352,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,923,305.50 : 866,534,161.59 = 349,530,594.87 : x
  2. Step 2: Convert to fraction form
    627,923,305.50/866,534,161.59 = 349,530,594.87/x
  3. Step 3: Cross multiply
    627,923,305.50x = 866,534,161.59 × 349,530,594.87
  4. Step 4: Simplify right side
    627,923,305.50x = 302,880,200,975,729,408
  5. Step 5: Solve for x
    x = 302,880,200,975,729,408/627,923,305.50
  6. Step 6: Final answer
    x = 482,352,220.92

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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.