Home / 449,946,171.45-620,926,628.08-251,710,976.69

Finding the Fourth Proportional to 449,946,171.45, 620,926,628.08 and 251,710,976.69

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Solution

The fourth proportional to 449,946,171.45, 620,926,628.08 and 251,710,976.69 is: 347,361,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,946,171.45 : 620,926,628.08 = 251,710,976.69 : x
  2. Step 2: Convert to fraction form
    449,946,171.45/620,926,628.08 = 251,710,976.69/x
  3. Step 3: Cross multiply
    449,946,171.45x = 620,926,628.08 × 251,710,976.69
  4. Step 4: Simplify right side
    449,946,171.45x = 156,294,048,007,768,224
  5. Step 5: Solve for x
    x = 156,294,048,007,768,224/449,946,171.45
  6. Step 6: Final answer
    x = 347,361,657.74

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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.