Home / 9,311,871,172.36-12,848,463,923.70-5,350,807,565.32

Finding the Fourth Proportional to 9,311,871,172.36, 12,848,463,923.70 and 5,350,807,565.32

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Solution

The fourth proportional to 9,311,871,172.36, 12,848,463,923.70 and 5,350,807,565.32 is: 7,383,012,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311,871,172.36 : 12,848,463,923.70 = 5,350,807,565.32 : x
  2. Step 2: Convert to fraction form
    9,311,871,172.36/12,848,463,923.70 = 5,350,807,565.32/x
  3. Step 3: Cross multiply
    9,311,871,172.36x = 12,848,463,923.70 × 5,350,807,565.32
  4. Step 4: Simplify right side
    9,311,871,172.36x = 68,749,657,965,675,053,056
  5. Step 5: Solve for x
    x = 68,749,657,965,675,053,056/9,311,871,172.36
  6. Step 6: Final answer
    x = 7,383,012,145.80

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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.