Home / 739,682,512.27-1,020,270,247.73-475,698,446.53

Finding the Fourth Proportional to 739,682,512.27, 1,020,270,247.73 and 475,698,446.53

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Solution

The fourth proportional to 739,682,512.27, 1,020,270,247.73 and 475,698,446.53 is: 656,147,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,682,512.27 : 1,020,270,247.73 = 475,698,446.53 : x
  2. Step 2: Convert to fraction form
    739,682,512.27/1,020,270,247.73 = 475,698,446.53/x
  3. Step 3: Cross multiply
    739,682,512.27x = 1,020,270,247.73 × 475,698,446.53
  4. Step 4: Simplify right side
    739,682,512.27x = 485,340,971,883,560,768
  5. Step 5: Solve for x
    x = 485,340,971,883,560,768/739,682,512.27
  6. Step 6: Final answer
    x = 656,147,690.17

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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.