Home / 739,621,458.42-1,020,694,134.60-422,075,382.18

Finding the Fourth Proportional to 739,621,458.42, 1,020,694,134.60 and 422,075,382.18

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Solution

The fourth proportional to 739,621,458.42, 1,020,694,134.60 and 422,075,382.18 is: 582,473,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,621,458.42 : 1,020,694,134.60 = 422,075,382.18 : x
  2. Step 2: Convert to fraction form
    739,621,458.42/1,020,694,134.60 = 422,075,382.18/x
  3. Step 3: Cross multiply
    739,621,458.42x = 1,020,694,134.60 × 422,075,382.18
  4. Step 4: Simplify right side
    739,621,458.42x = 430,809,866,950,179,392
  5. Step 5: Solve for x
    x = 430,809,866,950,179,392/739,621,458.42
  6. Step 6: Final answer
    x = 582,473,455.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.