Home / 522,749,390.80-720,859,450.44-346,476,179.92

Finding the Fourth Proportional to 522,749,390.80, 720,859,450.44 and 346,476,179.92

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Solution

The fourth proportional to 522,749,390.80, 720,859,450.44 and 346,476,179.92 is: 477,782,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,749,390.80 : 720,859,450.44 = 346,476,179.92 : x
  2. Step 2: Convert to fraction form
    522,749,390.80/720,859,450.44 = 346,476,179.92/x
  3. Step 3: Cross multiply
    522,749,390.80x = 720,859,450.44 × 346,476,179.92
  4. Step 4: Simplify right side
    522,749,390.80x = 249,760,628,647,681,792
  5. Step 5: Solve for x
    x = 249,760,628,647,681,792/522,749,390.80
  6. Step 6: Final answer
    x = 477,782,725.42

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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.