Home / 6,771,365,971.65-9,345,859,786.49-3,913,629,576.21

Finding the Fourth Proportional to 6,771,365,971.65, 9,345,859,786.49 and 3,913,629,576.21

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Solution

The fourth proportional to 6,771,365,971.65, 9,345,859,786.49 and 3,913,629,576.21 is: 5,401,603,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771,365,971.65 : 9,345,859,786.49 = 3,913,629,576.21 : x
  2. Step 2: Convert to fraction form
    6,771,365,971.65/9,345,859,786.49 = 3,913,629,576.21/x
  3. Step 3: Cross multiply
    6,771,365,971.65x = 9,345,859,786.49 × 3,913,629,576.21
  4. Step 4: Simplify right side
    6,771,365,971.65x = 36,576,233,275,499,372,544
  5. Step 5: Solve for x
    x = 36,576,233,275,499,372,544/6,771,365,971.65
  6. Step 6: Final answer
    x = 5,401,603,373.48

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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.