Home / 1,382,561,947,912.90-1,907,894,068,131.90-765,289,967,684.40

Finding the Fourth Proportional to 1,382,561,947,912.90, 1,907,894,068,131.90 and 765,289,967,684.40

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Solution

The fourth proportional to 1,382,561,947,912.90, 1,907,894,068,131.90 and 765,289,967,684.40 is: 1,056,077,228,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,561,947,912.90 : 1,907,894,068,131.90 = 765,289,967,684.40 : x
  2. Step 2: Convert to fraction form
    1,382,561,947,912.90/1,907,894,068,131.90 = 765,289,967,684.40/x
  3. Step 3: Cross multiply
    1,382,561,947,912.90x = 1,907,894,068,131.90 × 765,289,967,684.40
  4. Step 4: Simplify right side
    1,382,561,947,912.90x = 1,460,092,189,745,920,274,857,984
  5. Step 5: Solve for x
    x = 1,460,092,189,745,920,274,857,984/1,382,561,947,912.90
  6. Step 6: Final answer
    x = 1,056,077,228,185.01

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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.