Home / 346,960,016.21-478,800,358.20-198,279,431.95

Finding the Fourth Proportional to 346,960,016.21, 478,800,358.20 and 198,279,431.95

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Solution

The fourth proportional to 346,960,016.21, 478,800,358.20 and 198,279,431.95 is: 273,623,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,960,016.21 : 478,800,358.20 = 198,279,431.95 : x
  2. Step 2: Convert to fraction form
    346,960,016.21/478,800,358.20 = 198,279,431.95/x
  3. Step 3: Cross multiply
    346,960,016.21x = 478,800,358.20 × 198,279,431.95
  4. Step 4: Simplify right side
    346,960,016.21x = 94,936,263,041,352,512
  5. Step 5: Solve for x
    x = 94,936,263,041,352,512/346,960,016.21
  6. Step 6: Final answer
    x = 273,623,064.92

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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.