Home / 739,621,442.09-1,020,694,112.09-422,075,365.86

Finding the Fourth Proportional to 739,621,442.09, 1,020,694,112.09 and 422,075,365.86

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Solution

The fourth proportional to 739,621,442.09, 1,020,694,112.09 and 422,075,365.86 is: 582,473,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,621,442.09 : 1,020,694,112.09 = 422,075,365.86 : x
  2. Step 2: Convert to fraction form
    739,621,442.09/1,020,694,112.09 = 422,075,365.86/x
  3. Step 3: Cross multiply
    739,621,442.09x = 1,020,694,112.09 × 422,075,365.86
  4. Step 4: Simplify right side
    739,621,442.09x = 430,809,840,789,424,256
  5. Step 5: Solve for x
    x = 430,809,840,789,424,256/739,621,442.09
  6. Step 6: Final answer
    x = 582,473,433.40

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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.