Home / 876,660,806.44-1,209,209,253.06-563,790,802.60

Finding the Fourth Proportional to 876,660,806.44, 1,209,209,253.06 and 563,790,802.60

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Solution

The fourth proportional to 876,660,806.44, 1,209,209,253.06 and 563,790,802.60 is: 777,656,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,660,806.44 : 1,209,209,253.06 = 563,790,802.60 : x
  2. Step 2: Convert to fraction form
    876,660,806.44/1,209,209,253.06 = 563,790,802.60/x
  3. Step 3: Cross multiply
    876,660,806.44x = 1,209,209,253.06 × 563,790,802.60
  4. Step 4: Simplify right side
    876,660,806.44x = 681,741,055,294,043,904
  5. Step 5: Solve for x
    x = 681,741,055,294,043,904/876,660,806.44
  6. Step 6: Final answer
    x = 777,656,592.25

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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.