Home / 7,202,823,270.38-9,939,896,113.12-3,906,296,934.38

Finding the Fourth Proportional to 7,202,823,270.38, 9,939,896,113.12 and 3,906,296,934.38

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Solution

The fourth proportional to 7,202,823,270.38, 9,939,896,113.12 and 3,906,296,934.38 is: 5,390,689,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,823,270.38 : 9,939,896,113.12 = 3,906,296,934.38 : x
  2. Step 2: Convert to fraction form
    7,202,823,270.38/9,939,896,113.12 = 3,906,296,934.38/x
  3. Step 3: Cross multiply
    7,202,823,270.38x = 9,939,896,113.12 × 3,906,296,934.38
  4. Step 4: Simplify right side
    7,202,823,270.38x = 38,828,185,714,736,340,992
  5. Step 5: Solve for x
    x = 38,828,185,714,736,340,992/7,202,823,270.38
  6. Step 6: Final answer
    x = 5,390,689,769.44

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1.5x scale

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.