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Finding the Fourth Proportional to 529,826,843.68, 794,812,973.70 and 179,978,987.34

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Solution

The fourth proportional to 529,826,843.68, 794,812,973.70 and 179,978,987.34 is: 269,993,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,826,843.68 : 794,812,973.70 = 179,978,987.34 : x
  2. Step 2: Convert to fraction form
    529,826,843.68/794,812,973.70 = 179,978,987.34/x
  3. Step 3: Cross multiply
    529,826,843.68x = 794,812,973.70 × 179,978,987.34
  4. Step 4: Simplify right side
    529,826,843.68x = 143,049,634,131,220,064
  5. Step 5: Solve for x
    x = 143,049,634,131,220,064/529,826,843.68
  6. Step 6: Final answer
    x = 269,993,179.54

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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.