Home / 1,056,115,825.80-1,584,173,738.70-965,341,912.20

Finding the Fourth Proportional to 1,056,115,825.80, 1,584,173,738.70 and 965,341,912.20

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Solution

The fourth proportional to 1,056,115,825.80, 1,584,173,738.70 and 965,341,912.20 is: 1,448,012,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,115,825.80 : 1,584,173,738.70 = 965,341,912.20 : x
  2. Step 2: Convert to fraction form
    1,056,115,825.80/1,584,173,738.70 = 965,341,912.20/x
  3. Step 3: Cross multiply
    1,056,115,825.80x = 1,584,173,738.70 × 965,341,912.20
  4. Step 4: Simplify right side
    1,056,115,825.80x = 1,529,269,306,173,681,152
  5. Step 5: Solve for x
    x = 1,529,269,306,173,681,152/1,056,115,825.80
  6. Step 6: Final answer
    x = 1,448,012,868.30

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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.