Home / 820,932,169.69-1,132,872,393-444,585,707.47

Finding the Fourth Proportional to 820,932,169.69, 1,132,872,393 and 444,585,707.47

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Solution

The fourth proportional to 820,932,169.69, 1,132,872,393 and 444,585,707.47 is: 613,520,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,932,169.69 : 1,132,872,393 = 444,585,707.47 : x
  2. Step 2: Convert to fraction form
    820,932,169.69/1,132,872,393 = 444,585,707.47/x
  3. Step 3: Cross multiply
    820,932,169.69x = 1,132,872,393 × 444,585,707.47
  4. Step 4: Simplify right side
    820,932,169.69x = 503,658,874,315,136,896
  5. Step 5: Solve for x
    x = 503,658,874,315,136,896/820,932,169.69
  6. Step 6: Final answer
    x = 613,520,693.81

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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.