Home / 1,777,038,578.80-2,665,557,868.20-858,708,530.80

Finding the Fourth Proportional to 1,777,038,578.80, 2,665,557,868.20 and 858,708,530.80

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Solution

The fourth proportional to 1,777,038,578.80, 2,665,557,868.20 and 858,708,530.80 is: 1,288,062,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,038,578.80 : 2,665,557,868.20 = 858,708,530.80 : x
  2. Step 2: Convert to fraction form
    1,777,038,578.80/2,665,557,868.20 = 858,708,530.80/x
  3. Step 3: Cross multiply
    1,777,038,578.80x = 2,665,557,868.20 × 858,708,530.80
  4. Step 4: Simplify right side
    1,777,038,578.80x = 2,288,937,280,764,401,664
  5. Step 5: Solve for x
    x = 2,288,937,280,764,401,664/1,777,038,578.80
  6. Step 6: Final answer
    x = 1,288,062,796.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.