Home / 2,907,809,812.80-4,362,909,112.80-1,068,443,668.80

Finding the Fourth Proportional to 2,907,809,812.80, 4,362,909,112.80 and 1,068,443,668.80

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Solution

The fourth proportional to 2,907,809,812.80, 4,362,909,112.80 and 1,068,443,668.80 is: 1,603,104,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,809,812.80 : 4,362,909,112.80 = 1,068,443,668.80 : x
  2. Step 2: Convert to fraction form
    2,907,809,812.80/4,362,909,112.80 = 1,068,443,668.80/x
  3. Step 3: Cross multiply
    2,907,809,812.80x = 4,362,909,112.80 × 1,068,443,668.80
  4. Step 4: Simplify right side
    2,907,809,812.80x = 4,661,522,619,120,985,088
  5. Step 5: Solve for x
    x = 4,661,522,619,120,985,088/2,907,809,812.80
  6. Step 6: Final answer
    x = 1,603,104,370.38

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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.