Home / 708,588,747.20-1,062,883,120.80-320,424,240.80

Finding the Fourth Proportional to 708,588,747.20, 1,062,883,120.80 and 320,424,240.80

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Solution

The fourth proportional to 708,588,747.20, 1,062,883,120.80 and 320,424,240.80 is: 480,636,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,747.20 : 1,062,883,120.80 = 320,424,240.80 : x
  2. Step 2: Convert to fraction form
    708,588,747.20/1,062,883,120.80 = 320,424,240.80/x
  3. Step 3: Cross multiply
    708,588,747.20x = 1,062,883,120.80 × 320,424,240.80
  4. Step 4: Simplify right side
    708,588,747.20x = 340,573,517,041,474,688
  5. Step 5: Solve for x
    x = 340,573,517,041,474,688/708,588,747.20
  6. Step 6: Final answer
    x = 480,636,361.20

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