Home / 252,623,905.16-378,545,268.02-197,160,231.64

Finding the Fourth Proportional to 252,623,905.16, 378,545,268.02 and 197,160,231.64

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Solution

The fourth proportional to 252,623,905.16, 378,545,268.02 and 197,160,231.64 is: 295,435,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,623,905.16 : 378,545,268.02 = 197,160,231.64 : x
  2. Step 2: Convert to fraction form
    252,623,905.16/378,545,268.02 = 197,160,231.64/x
  3. Step 3: Cross multiply
    252,623,905.16x = 378,545,268.02 × 197,160,231.64
  4. Step 4: Simplify right side
    252,623,905.16x = 74,634,072,729,049,072
  5. Step 5: Solve for x
    x = 74,634,072,729,049,072/252,623,905.16
  6. Step 6: Final answer
    x = 295,435,511.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.