Home / 940,679,122.56-1,410,927,504.96-285,635,906.88

Finding the Fourth Proportional to 940,679,122.56, 1,410,927,504.96 and 285,635,906.88

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Solution

The fourth proportional to 940,679,122.56, 1,410,927,504.96 and 285,635,906.88 is: 428,426,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,679,122.56 : 1,410,927,504.96 = 285,635,906.88 : x
  2. Step 2: Convert to fraction form
    940,679,122.56/1,410,927,504.96 = 285,635,906.88/x
  3. Step 3: Cross multiply
    940,679,122.56x = 1,410,927,504.96 × 285,635,906.88
  4. Step 4: Simplify right side
    940,679,122.56x = 403,011,557,421,185,280
  5. Step 5: Solve for x
    x = 403,011,557,421,185,280/940,679,122.56
  6. Step 6: Final answer
    x = 428,426,173.98

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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.