Home / 3,871,231,255,299.60-5,342,271,955,415.70-2,113,380,792,172.80

Finding the Fourth Proportional to 3,871,231,255,299.60, 5,342,271,955,415.70 and 2,113,380,792,172.80

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Solution

The fourth proportional to 3,871,231,255,299.60, 5,342,271,955,415.70 and 2,113,380,792,172.80 is: 2,916,450,656,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,231,255,299.60 : 5,342,271,955,415.70 = 2,113,380,792,172.80 : x
  2. Step 2: Convert to fraction form
    3,871,231,255,299.60/5,342,271,955,415.70 = 2,113,380,792,172.80/x
  3. Step 3: Cross multiply
    3,871,231,255,299.60x = 5,342,271,955,415.70 × 2,113,380,792,172.80
  4. Step 4: Simplify right side
    3,871,231,255,299.60x = 11,290,254,937,138,966,686,597,120
  5. Step 5: Solve for x
    x = 11,290,254,937,138,966,686,597,120/3,871,231,255,299.60
  6. Step 6: Final answer
    x = 2,916,450,656,798.91

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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.