Home / 628,268,481.47-866,999,926.80-346,037,204.45

Finding the Fourth Proportional to 628,268,481.47, 866,999,926.80 and 346,037,204.45

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Solution

The fourth proportional to 628,268,481.47, 866,999,926.80 and 346,037,204.45 is: 477,525,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,268,481.47 : 866,999,926.80 = 346,037,204.45 : x
  2. Step 2: Convert to fraction form
    628,268,481.47/866,999,926.80 = 346,037,204.45/x
  3. Step 3: Cross multiply
    628,268,481.47x = 866,999,926.80 × 346,037,204.45
  4. Step 4: Simplify right side
    628,268,481.47x = 300,014,230,930,394,112
  5. Step 5: Solve for x
    x = 300,014,230,930,394,112/628,268,481.47
  6. Step 6: Final answer
    x = 477,525,516.20

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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.