Home / 314,568,014.70-471,852,022.05-205,728,897.90

Finding the Fourth Proportional to 314,568,014.70, 471,852,022.05 and 205,728,897.90

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Solution

The fourth proportional to 314,568,014.70, 471,852,022.05 and 205,728,897.90 is: 308,593,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,568,014.70 : 471,852,022.05 = 205,728,897.90 : x
  2. Step 2: Convert to fraction form
    314,568,014.70/471,852,022.05 = 205,728,897.90/x
  3. Step 3: Cross multiply
    314,568,014.70x = 471,852,022.05 × 205,728,897.90
  4. Step 4: Simplify right side
    314,568,014.70x = 97,073,596,468,233,008
  5. Step 5: Solve for x
    x = 97,073,596,468,233,008/314,568,014.70
  6. Step 6: Final answer
    x = 308,593,346.85

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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.