Home / 839,809,114.80-1,259,713,672.20-622,130,881.20

Finding the Fourth Proportional to 839,809,114.80, 1,259,713,672.20 and 622,130,881.20

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Solution

The fourth proportional to 839,809,114.80, 1,259,713,672.20 and 622,130,881.20 is: 933,196,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,114.80 : 1,259,713,672.20 = 622,130,881.20 : x
  2. Step 2: Convert to fraction form
    839,809,114.80/1,259,713,672.20 = 622,130,881.20/x
  3. Step 3: Cross multiply
    839,809,114.80x = 1,259,713,672.20 × 622,130,881.20
  4. Step 4: Simplify right side
    839,809,114.80x = 783,706,776,945,474,048
  5. Step 5: Solve for x
    x = 783,706,776,945,474,048/839,809,114.80
  6. Step 6: Final answer
    x = 933,196,321.80

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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.