Home / 713,324,813.20-1,069,987,219.80-629,144,558.80

Finding the Fourth Proportional to 713,324,813.20, 1,069,987,219.80 and 629,144,558.80

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Solution

The fourth proportional to 713,324,813.20, 1,069,987,219.80 and 629,144,558.80 is: 943,716,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,324,813.20 : 1,069,987,219.80 = 629,144,558.80 : x
  2. Step 2: Convert to fraction form
    713,324,813.20/1,069,987,219.80 = 629,144,558.80/x
  3. Step 3: Cross multiply
    713,324,813.20x = 1,069,987,219.80 × 629,144,558.80
  4. Step 4: Simplify right side
    713,324,813.20x = 673,176,637,322,709,504
  5. Step 5: Solve for x
    x = 673,176,637,322,709,504/713,324,813.20
  6. Step 6: Final answer
    x = 943,716,838.20

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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.