Home / 339,405,345.21-468,364,274.28-198,289,651.35

Finding the Fourth Proportional to 339,405,345.21, 468,364,274.28 and 198,289,651.35

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Solution

The fourth proportional to 339,405,345.21, 468,364,274.28 and 198,289,651.35 is: 273,630,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,405,345.21 : 468,364,274.28 = 198,289,651.35 : x
  2. Step 2: Convert to fraction form
    339,405,345.21/468,364,274.28 = 198,289,651.35/x
  3. Step 3: Cross multiply
    339,405,345.21x = 468,364,274.28 × 198,289,651.35
  4. Step 4: Simplify right side
    339,405,345.21x = 92,871,788,651,776,960
  5. Step 5: Solve for x
    x = 92,871,788,651,776,960/339,405,345.21
  6. Step 6: Final answer
    x = 273,630,895.81

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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.