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Finding the Fourth Proportional to 622,804,739.34, 859,443,323.22 and 340,541,858.82

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Solution

The fourth proportional to 622,804,739.34, 859,443,323.22 and 340,541,858.82 is: 469,932,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,804,739.34 : 859,443,323.22 = 340,541,858.82 : x
  2. Step 2: Convert to fraction form
    622,804,739.34/859,443,323.22 = 340,541,858.82/x
  3. Step 3: Cross multiply
    622,804,739.34x = 859,443,323.22 × 340,541,858.82
  4. Step 4: Simplify right side
    622,804,739.34x = 292,676,426,839,776,896
  5. Step 5: Solve for x
    x = 292,676,426,839,776,896/622,804,739.34
  6. Step 6: Final answer
    x = 469,932,883.22

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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.