Home / 6,259,486,816.80-8,638,176,032.78-3,401,685,757.84

Finding the Fourth Proportional to 6,259,486,816.80, 8,638,176,032.78 and 3,401,685,757.84

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Solution

The fourth proportional to 6,259,486,816.80, 8,638,176,032.78 and 3,401,685,757.84 is: 4,694,372,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259,486,816.80 : 8,638,176,032.78 = 3,401,685,757.84 : x
  2. Step 2: Convert to fraction form
    6,259,486,816.80/8,638,176,032.78 = 3,401,685,757.84/x
  3. Step 3: Cross multiply
    6,259,486,816.80x = 8,638,176,032.78 × 3,401,685,757.84
  4. Step 4: Simplify right side
    6,259,486,816.80x = 29,384,360,384,422,563,840
  5. Step 5: Solve for x
    x = 29,384,360,384,422,563,840/6,259,486,816.80
  6. Step 6: Final answer
    x = 4,694,372,117.78

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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.