Home / 328,359,197.40-453,140,993.70-179,693,235.96

Finding the Fourth Proportional to 328,359,197.40, 453,140,993.70 and 179,693,235.96

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Solution

The fourth proportional to 328,359,197.40, 453,140,993.70 and 179,693,235.96 is: 247,979,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,359,197.40 : 453,140,993.70 = 179,693,235.96 : x
  2. Step 2: Convert to fraction form
    328,359,197.40/453,140,993.70 = 179,693,235.96/x
  3. Step 3: Cross multiply
    328,359,197.40x = 453,140,993.70 × 179,693,235.96
  4. Step 4: Simplify right side
    328,359,197.40x = 81,426,371,504,082,976
  5. Step 5: Solve for x
    x = 81,426,371,504,082,976/328,359,197.40
  6. Step 6: Final answer
    x = 247,979,566.73

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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.