Home / 465,165,093.60-697,747,640.40-320,046,271.20

Finding the Fourth Proportional to 465,165,093.60, 697,747,640.40 and 320,046,271.20

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Solution

The fourth proportional to 465,165,093.60, 697,747,640.40 and 320,046,271.20 is: 480,069,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,165,093.60 : 697,747,640.40 = 320,046,271.20 : x
  2. Step 2: Convert to fraction form
    465,165,093.60/697,747,640.40 = 320,046,271.20/x
  3. Step 3: Cross multiply
    465,165,093.60x = 697,747,640.40 × 320,046,271.20
  4. Step 4: Simplify right side
    465,165,093.60x = 223,311,530,548,618,464
  5. Step 5: Solve for x
    x = 223,311,530,548,618,464/465,165,093.60
  6. Step 6: Final answer
    x = 480,069,406.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.