Home / 449,946,173.58-620,926,631.01-251,710,978.83

Finding the Fourth Proportional to 449,946,173.58, 620,926,631.01 and 251,710,978.83

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Solution

The fourth proportional to 449,946,173.58, 620,926,631.01 and 251,710,978.83 is: 347,361,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,946,173.58 : 620,926,631.01 = 251,710,978.83 : x
  2. Step 2: Convert to fraction form
    449,946,173.58/620,926,631.01 = 251,710,978.83/x
  3. Step 3: Cross multiply
    449,946,173.58x = 620,926,631.01 × 251,710,978.83
  4. Step 4: Simplify right side
    449,946,173.58x = 156,294,050,073,141,344
  5. Step 5: Solve for x
    x = 156,294,050,073,141,344/449,946,173.58
  6. Step 6: Final answer
    x = 347,361,660.68

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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.