Home / 475,938,996.66-713,941,290.84-199,311,687.36

Finding the Fourth Proportional to 475,938,996.66, 713,941,290.84 and 199,311,687.36

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Solution

The fourth proportional to 475,938,996.66, 713,941,290.84 and 199,311,687.36 is: 298,981,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,938,996.66 : 713,941,290.84 = 199,311,687.36 : x
  2. Step 2: Convert to fraction form
    475,938,996.66/713,941,290.84 = 199,311,687.36/x
  3. Step 3: Cross multiply
    475,938,996.66x = 713,941,290.84 × 199,311,687.36
  4. Step 4: Simplify right side
    475,938,996.66x = 142,296,843,353,296,928
  5. Step 5: Solve for x
    x = 142,296,843,353,296,928/475,938,996.66
  6. Step 6: Final answer
    x = 298,981,265.15

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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.