Home / 1,681,585,571.03-2,320,543,128.44-928,882,546.44

Finding the Fourth Proportional to 1,681,585,571.03, 2,320,543,128.44 and 928,882,546.44

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Solution

The fourth proportional to 1,681,585,571.03, 2,320,543,128.44 and 928,882,546.44 is: 1,281,833,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,585,571.03 : 2,320,543,128.44 = 928,882,546.44 : x
  2. Step 2: Convert to fraction form
    1,681,585,571.03/2,320,543,128.44 = 928,882,546.44/x
  3. Step 3: Cross multiply
    1,681,585,571.03x = 2,320,543,128.44 × 928,882,546.44
  4. Step 4: Simplify right side
    1,681,585,571.03x = 2,155,512,010,264,546,816
  5. Step 5: Solve for x
    x = 2,155,512,010,264,546,816/1,681,585,571.03
  6. Step 6: Final answer
    x = 1,281,833,079.09

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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.