Home / 2,872,165,040.85-4,302,214,216.61-1,822,362,871.81

Finding the Fourth Proportional to 2,872,165,040.85, 4,302,214,216.61 and 1,822,362,871.81

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Solution

The fourth proportional to 2,872,165,040.85, 4,302,214,216.61 and 1,822,362,871.81 is: 2,729,716,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,165,040.85 : 4,302,214,216.61 = 1,822,362,871.81 : x
  2. Step 2: Convert to fraction form
    2,872,165,040.85/4,302,214,216.61 = 1,822,362,871.81/x
  3. Step 3: Cross multiply
    2,872,165,040.85x = 4,302,214,216.61 × 1,822,362,871.81
  4. Step 4: Simplify right side
    2,872,165,040.85x = 7,840,195,454,923,207,680
  5. Step 5: Solve for x
    x = 7,840,195,454,923,207,680/2,872,165,040.85
  6. Step 6: Final answer
    x = 2,729,716,204.82

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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.