Home / 739,621,446.89-1,020,694,118.73-422,075,370.70

Finding the Fourth Proportional to 739,621,446.89, 1,020,694,118.73 and 422,075,370.70

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Solution

The fourth proportional to 739,621,446.89, 1,020,694,118.73 and 422,075,370.70 is: 582,473,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,621,446.89 : 1,020,694,118.73 = 422,075,370.70 : x
  2. Step 2: Convert to fraction form
    739,621,446.89/1,020,694,118.73 = 422,075,370.70/x
  3. Step 3: Cross multiply
    739,621,446.89x = 1,020,694,118.73 × 422,075,370.70
  4. Step 4: Simplify right side
    739,621,446.89x = 430,809,848,529,171,072
  5. Step 5: Solve for x
    x = 430,809,848,529,171,072/739,621,446.89
  6. Step 6: Final answer
    x = 582,473,440.08

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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.