Home / 661,156,170.86-991,427,796.32-246,521,662.50

Finding the Fourth Proportional to 661,156,170.86, 991,427,796.32 and 246,521,662.50

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Solution

The fourth proportional to 661,156,170.86, 991,427,796.32 and 246,521,662.50 is: 369,668,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,156,170.86 : 991,427,796.32 = 246,521,662.50 : x
  2. Step 2: Convert to fraction form
    661,156,170.86/991,427,796.32 = 246,521,662.50/x
  3. Step 3: Cross multiply
    661,156,170.86x = 991,427,796.32 × 246,521,662.50
  4. Step 4: Simplify right side
    661,156,170.86x = 244,408,428,596,285,184
  5. Step 5: Solve for x
    x = 244,408,428,596,285,184/661,156,170.86
  6. Step 6: Final answer
    x = 369,668,225.71

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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.