Home / 529,345,924.09-730,493,343.83-291,185,993.25

Finding the Fourth Proportional to 529,345,924.09, 730,493,343.83 and 291,185,993.25

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Solution

The fourth proportional to 529,345,924.09, 730,493,343.83 and 291,185,993.25 is: 401,834,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,345,924.09 : 730,493,343.83 = 291,185,993.25 : x
  2. Step 2: Convert to fraction form
    529,345,924.09/730,493,343.83 = 291,185,993.25/x
  3. Step 3: Cross multiply
    529,345,924.09x = 730,493,343.83 × 291,185,993.25
  4. Step 4: Simplify right side
    529,345,924.09x = 212,709,429,886,380,256
  5. Step 5: Solve for x
    x = 212,709,429,886,380,256/529,345,924.09
  6. Step 6: Final answer
    x = 401,834,453.06

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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.