Home / 449,946,174.58-620,926,632.40-251,710,979.82

Finding the Fourth Proportional to 449,946,174.58, 620,926,632.40 and 251,710,979.82

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Solution

The fourth proportional to 449,946,174.58, 620,926,632.40 and 251,710,979.82 is: 347,361,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,946,174.58 : 620,926,632.40 = 251,710,979.82 : x
  2. Step 2: Convert to fraction form
    449,946,174.58/620,926,632.40 = 251,710,979.82/x
  3. Step 3: Cross multiply
    449,946,174.58x = 620,926,632.40 × 251,710,979.82
  4. Step 4: Simplify right side
    449,946,174.58x = 156,294,051,037,736,960
  5. Step 5: Solve for x
    x = 156,294,051,037,736,960/449,946,174.58
  6. Step 6: Final answer
    x = 347,361,662.06

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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.