Home / 229,916,410,090.20-317,281,269,266.46-128,419,776,624.60

Finding the Fourth Proportional to 229,916,410,090.20, 317,281,269,266.46 and 128,419,776,624.60

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Solution

The fourth proportional to 229,916,410,090.20, 317,281,269,266.46 and 128,419,776,624.60 is: 177,217,405,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,916,410,090.20 : 317,281,269,266.46 = 128,419,776,624.60 : x
  2. Step 2: Convert to fraction form
    229,916,410,090.20/317,281,269,266.46 = 128,419,776,624.60/x
  3. Step 3: Cross multiply
    229,916,410,090.20x = 317,281,269,266.46 × 128,419,776,624.60
  4. Step 4: Simplify right side
    229,916,410,090.20x = 40,745,189,726,368,366,067,712
  5. Step 5: Solve for x
    x = 40,745,189,726,368,366,067,712/229,916,410,090.20
  6. Step 6: Final answer
    x = 177,217,405,710.12

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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.