Home / 365,983,271.92-505,057,513.60-198,719,856.64

Finding the Fourth Proportional to 365,983,271.92, 505,057,513.60 and 198,719,856.64

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Solution

The fourth proportional to 365,983,271.92, 505,057,513.60 and 198,719,856.64 is: 274,233,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,983,271.92 : 505,057,513.60 = 198,719,856.64 : x
  2. Step 2: Convert to fraction form
    365,983,271.92/505,057,513.60 = 198,719,856.64/x
  3. Step 3: Cross multiply
    365,983,271.92x = 505,057,513.60 × 198,719,856.64
  4. Step 4: Simplify right side
    365,983,271.92x = 100,364,956,695,888,576
  5. Step 5: Solve for x
    x = 100,364,956,695,888,576/365,983,271.92
  6. Step 6: Final answer
    x = 274,233,727.05

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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.