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Finding the Fourth Proportional to 628,268,441.44, 866,999,871.52 and 346,037,164.44

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Solution

The fourth proportional to 628,268,441.44, 866,999,871.52 and 346,037,164.44 is: 477,525,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,268,441.44 : 866,999,871.52 = 346,037,164.44 : x
  2. Step 2: Convert to fraction form
    628,268,441.44/866,999,871.52 = 346,037,164.44/x
  3. Step 3: Cross multiply
    628,268,441.44x = 866,999,871.52 × 346,037,164.44
  4. Step 4: Simplify right side
    628,268,441.44x = 300,014,177,110,625,088
  5. Step 5: Solve for x
    x = 300,014,177,110,625,088/628,268,441.44
  6. Step 6: Final answer
    x = 477,525,460.97

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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.