Home / 918,961,088.56-1,268,174,395.68-501,275,231.44

Finding the Fourth Proportional to 918,961,088.56, 1,268,174,395.68 and 501,275,231.44

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Solution

The fourth proportional to 918,961,088.56, 1,268,174,395.68 and 501,275,231.44 is: 691,764,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,961,088.56 : 1,268,174,395.68 = 501,275,231.44 : x
  2. Step 2: Convert to fraction form
    918,961,088.56/1,268,174,395.68 = 501,275,231.44/x
  3. Step 3: Cross multiply
    918,961,088.56x = 1,268,174,395.68 × 501,275,231.44
  4. Step 4: Simplify right side
    918,961,088.56x = 635,704,413,700,774,144
  5. Step 5: Solve for x
    x = 635,704,413,700,774,144/918,961,088.56
  6. Step 6: Final answer
    x = 691,764,234.21

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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.