Home / 3,071,035,647.51-4,238,019,956.91-1,661,339,220.31

Finding the Fourth Proportional to 3,071,035,647.51, 4,238,019,956.91 and 1,661,339,220.31

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Solution

The fourth proportional to 3,071,035,647.51, 4,238,019,956.91 and 1,661,339,220.31 is: 2,292,643,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,035,647.51 : 4,238,019,956.91 = 1,661,339,220.31 : x
  2. Step 2: Convert to fraction form
    3,071,035,647.51/4,238,019,956.91 = 1,661,339,220.31/x
  3. Step 3: Cross multiply
    3,071,035,647.51x = 4,238,019,956.91 × 1,661,339,220.31
  4. Step 4: Simplify right side
    3,071,035,647.51x = 7,040,788,770,871,078,912
  5. Step 5: Solve for x
    x = 7,040,788,770,871,078,912/3,071,035,647.51
  6. Step 6: Final answer
    x = 2,292,643,127.27

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1.5x scale

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.