Home / 838,190,091-1,148,325,633.80-806,772,478.44

Finding the Fourth Proportional to 838,190,091, 1,148,325,633.80 and 806,772,478.44

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Solution

The fourth proportional to 838,190,091, 1,148,325,633.80 and 806,772,478.44 is: 1,105,283,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,190,091 : 1,148,325,633.80 = 806,772,478.44 : x
  2. Step 2: Convert to fraction form
    838,190,091/1,148,325,633.80 = 806,772,478.44/x
  3. Step 3: Cross multiply
    838,190,091x = 1,148,325,633.80 × 806,772,478.44
  4. Step 4: Simplify right side
    838,190,091x = 926,437,517,637,009,920
  5. Step 5: Solve for x
    x = 926,437,517,637,009,920/838,190,091
  6. Step 6: Final answer
    x = 1,105,283,309.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.