Home / 314,568,027.20-471,852,040.80-205,728,910.40

Finding the Fourth Proportional to 314,568,027.20, 471,852,040.80 and 205,728,910.40

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Solution

The fourth proportional to 314,568,027.20, 471,852,040.80 and 205,728,910.40 is: 308,593,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,568,027.20 : 471,852,040.80 = 205,728,910.40 : x
  2. Step 2: Convert to fraction form
    314,568,027.20/471,852,040.80 = 205,728,910.40/x
  3. Step 3: Cross multiply
    314,568,027.20x = 471,852,040.80 × 205,728,910.40
  4. Step 4: Simplify right side
    314,568,027.20x = 97,073,606,223,800,352
  5. Step 5: Solve for x
    x = 97,073,606,223,800,352/314,568,027.20
  6. Step 6: Final answer
    x = 308,593,365.60

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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.