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Finding the Fourth Proportional to 633,714,818.75, 874,410,816.65 and 365,692,873.01

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Solution

The fourth proportional to 633,714,818.75, 874,410,816.65 and 365,692,873.01 is: 504,589,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,714,818.75 : 874,410,816.65 = 365,692,873.01 : x
  2. Step 2: Convert to fraction form
    633,714,818.75/874,410,816.65 = 365,692,873.01/x
  3. Step 3: Cross multiply
    633,714,818.75x = 874,410,816.65 × 365,692,873.01
  4. Step 4: Simplify right side
    633,714,818.75x = 319,765,803,731,758,848
  5. Step 5: Solve for x
    x = 319,765,803,731,758,848/633,714,818.75
  6. Step 6: Final answer
    x = 504,589,437.19

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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.