Home / 1,608,546,874.32-2,412,844,379.82-612,622,906.20

Finding the Fourth Proportional to 1,608,546,874.32, 2,412,844,379.82 and 612,622,906.20

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Solution

The fourth proportional to 1,608,546,874.32, 2,412,844,379.82 and 612,622,906.20 is: 918,943,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,546,874.32 : 2,412,844,379.82 = 612,622,906.20 : x
  2. Step 2: Convert to fraction form
    1,608,546,874.32/2,412,844,379.82 = 612,622,906.20/x
  3. Step 3: Cross multiply
    1,608,546,874.32x = 2,412,844,379.82 × 612,622,906.20
  4. Step 4: Simplify right side
    1,608,546,874.32x = 1,478,163,736,173,665,280
  5. Step 5: Solve for x
    x = 1,478,163,736,173,665,280/1,608,546,874.32
  6. Step 6: Final answer
    x = 918,943,525.84

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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.