Home / 732,804,559.20-1,099,206,838.80-388,430,791.20

Finding the Fourth Proportional to 732,804,559.20, 1,099,206,838.80 and 388,430,791.20

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Solution

The fourth proportional to 732,804,559.20, 1,099,206,838.80 and 388,430,791.20 is: 582,646,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,804,559.20 : 1,099,206,838.80 = 388,430,791.20 : x
  2. Step 2: Convert to fraction form
    732,804,559.20/1,099,206,838.80 = 388,430,791.20/x
  3. Step 3: Cross multiply
    732,804,559.20x = 1,099,206,838.80 × 388,430,791.20
  4. Step 4: Simplify right side
    732,804,559.20x = 426,965,782,087,534,848
  5. Step 5: Solve for x
    x = 426,965,782,087,534,848/732,804,559.20
  6. Step 6: Final answer
    x = 582,646,186.80

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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.