Home / 691,111,202,993.20-1,035,534,749,464.80-368,071,040,055.51

Finding the Fourth Proportional to 691,111,202,993.20, 1,035,534,749,464.80 and 368,071,040,055.51

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Solution

The fourth proportional to 691,111,202,993.20, 1,035,534,749,464.80 and 368,071,040,055.51 is: 551,503,651,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,111,202,993.20 : 1,035,534,749,464.80 = 368,071,040,055.51 : x
  2. Step 2: Convert to fraction form
    691,111,202,993.20/1,035,534,749,464.80 = 368,071,040,055.51/x
  3. Step 3: Cross multiply
    691,111,202,993.20x = 1,035,534,749,464.80 × 368,071,040,055.51
  4. Step 4: Simplify right side
    691,111,202,993.20x = 381,150,352,249,130,959,503,360
  5. Step 5: Solve for x
    x = 381,150,352,249,130,959,503,360/691,111,202,993.20
  6. Step 6: Final answer
    x = 551,503,651,797.82

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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.