Home / 3,880,966,631.60-5,821,449,947.40-1,120,685,697.20

Finding the Fourth Proportional to 3,880,966,631.60, 5,821,449,947.40 and 1,120,685,697.20

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Solution

The fourth proportional to 3,880,966,631.60, 5,821,449,947.40 and 1,120,685,697.20 is: 1,681,028,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,966,631.60 : 5,821,449,947.40 = 1,120,685,697.20 : x
  2. Step 2: Convert to fraction form
    3,880,966,631.60/5,821,449,947.40 = 1,120,685,697.20/x
  3. Step 3: Cross multiply
    3,880,966,631.60x = 5,821,449,947.40 × 1,120,685,697.20
  4. Step 4: Simplify right side
    3,880,966,631.60x = 6,524,015,693,016,871,936
  5. Step 5: Solve for x
    x = 6,524,015,693,016,871,936/3,880,966,631.60
  6. Step 6: Final answer
    x = 1,681,028,545.80

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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.