Home / 739,682,512.02-1,020,270,247.38-475,698,446.28

Finding the Fourth Proportional to 739,682,512.02, 1,020,270,247.38 and 475,698,446.28

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Solution

The fourth proportional to 739,682,512.02, 1,020,270,247.38 and 475,698,446.28 is: 656,147,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,682,512.02 : 1,020,270,247.38 = 475,698,446.28 : x
  2. Step 2: Convert to fraction form
    739,682,512.02/1,020,270,247.38 = 475,698,446.28/x
  3. Step 3: Cross multiply
    739,682,512.02x = 1,020,270,247.38 × 475,698,446.28
  4. Step 4: Simplify right side
    739,682,512.02x = 485,340,971,464,377,216
  5. Step 5: Solve for x
    x = 485,340,971,464,377,216/739,682,512.02
  6. Step 6: Final answer
    x = 656,147,689.82

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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.