Home / 1,433,489,668,289.90-1,978,216,535,933.20-774,295,741,615.32

Finding the Fourth Proportional to 1,433,489,668,289.90, 1,978,216,535,933.20 and 774,295,741,615.32

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Solution

The fourth proportional to 1,433,489,668,289.90, 1,978,216,535,933.20 and 774,295,741,615.32 is: 1,068,528,552,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,489,668,289.90 : 1,978,216,535,933.20 = 774,295,741,615.32 : x
  2. Step 2: Convert to fraction form
    1,433,489,668,289.90/1,978,216,535,933.20 = 774,295,741,615.32/x
  3. Step 3: Cross multiply
    1,433,489,668,289.90x = 1,978,216,535,933.20 × 774,295,741,615.32
  4. Step 4: Simplify right side
    1,433,489,668,289.90x = 1,531,724,639,766,086,183,550,976
  5. Step 5: Solve for x
    x = 1,531,724,639,766,086,183,550,976/1,433,489,668,289.90
  6. Step 6: Final answer
    x = 1,068,528,552,140.44

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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.