Home / 1,872,839,546.40-2,806,236,010.80-1,181,509,600.80

Finding the Fourth Proportional to 1,872,839,546.40, 2,806,236,010.80 and 1,181,509,600.80

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Solution

The fourth proportional to 1,872,839,546.40, 2,806,236,010.80 and 1,181,509,600.80 is: 1,770,357,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,839,546.40 : 2,806,236,010.80 = 1,181,509,600.80 : x
  2. Step 2: Convert to fraction form
    1,872,839,546.40/2,806,236,010.80 = 1,181,509,600.80/x
  3. Step 3: Cross multiply
    1,872,839,546.40x = 2,806,236,010.80 × 1,181,509,600.80
  4. Step 4: Simplify right side
    1,872,839,546.40x = 3,315,594,788,870,892,544
  5. Step 5: Solve for x
    x = 3,315,594,788,870,892,544/1,872,839,546.40
  6. Step 6: Final answer
    x = 1,770,357,100.40

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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.