Home / 2,808,715,468.93-3,876,089,978.42-1,603,032,532.40

Finding the Fourth Proportional to 2,808,715,468.93, 3,876,089,978.42 and 1,603,032,532.40

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Solution

The fourth proportional to 2,808,715,468.93, 3,876,089,978.42 and 1,603,032,532.40 is: 2,212,220,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,715,468.93 : 3,876,089,978.42 = 1,603,032,532.40 : x
  2. Step 2: Convert to fraction form
    2,808,715,468.93/3,876,089,978.42 = 1,603,032,532.40/x
  3. Step 3: Cross multiply
    2,808,715,468.93x = 3,876,089,978.42 × 1,603,032,532.40
  4. Step 4: Simplify right side
    2,808,715,468.93x = 6,213,498,333,916,874,752
  5. Step 5: Solve for x
    x = 6,213,498,333,916,874,752/2,808,715,468.93
  6. Step 6: Final answer
    x = 2,212,220,640.59

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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.