Home / 413,873,573.31-620,812,601.64-122,743,218.51

Finding the Fourth Proportional to 413,873,573.31, 620,812,601.64 and 122,743,218.51

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Solution

The fourth proportional to 413,873,573.31, 620,812,601.64 and 122,743,218.51 is: 184,115,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,873,573.31 : 620,812,601.64 = 122,743,218.51 : x
  2. Step 2: Convert to fraction form
    413,873,573.31/620,812,601.64 = 122,743,218.51/x
  3. Step 3: Cross multiply
    413,873,573.31x = 620,812,601.64 × 122,743,218.51
  4. Step 4: Simplify right side
    413,873,573.31x = 76,200,536,816,860,112
  5. Step 5: Solve for x
    x = 76,200,536,816,860,112/413,873,573.31
  6. Step 6: Final answer
    x = 184,115,492.58

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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.