Home / 9,871,590,315.26-13,622,821,039.86-5,355,469,368.20

Finding the Fourth Proportional to 9,871,590,315.26, 13,622,821,039.86 and 5,355,469,368.20

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Solution

The fourth proportional to 9,871,590,315.26, 13,622,821,039.86 and 5,355,469,368.20 is: 7,390,562,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,590,315.26 : 13,622,821,039.86 = 5,355,469,368.20 : x
  2. Step 2: Convert to fraction form
    9,871,590,315.26/13,622,821,039.86 = 5,355,469,368.20/x
  3. Step 3: Cross multiply
    9,871,590,315.26x = 13,622,821,039.86 × 5,355,469,368.20
  4. Step 4: Simplify right side
    9,871,590,315.26x = 72,956,600,787,440,705,536
  5. Step 5: Solve for x
    x = 72,956,600,787,440,705,536/9,871,590,315.26
  6. Step 6: Final answer
    x = 7,390,562,053.07

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Double scale
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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.