Home / 1,212,923,266,987.40-1,819,496,746,258.60-396,100,294,738.38

Finding the Fourth Proportional to 1,212,923,266,987.40, 1,819,496,746,258.60 and 396,100,294,738.38

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Solution

The fourth proportional to 1,212,923,266,987.40, 1,819,496,746,258.60 and 396,100,294,738.38 is: 594,186,967,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,923,266,987.40 : 1,819,496,746,258.60 = 396,100,294,738.38 : x
  2. Step 2: Convert to fraction form
    1,212,923,266,987.40/1,819,496,746,258.60 = 396,100,294,738.38/x
  3. Step 3: Cross multiply
    1,212,923,266,987.40x = 1,819,496,746,258.60 × 396,100,294,738.38
  4. Step 4: Simplify right side
    1,212,923,266,987.40x = 720,703,197,468,554,854,137,856
  5. Step 5: Solve for x
    x = 720,703,197,468,554,854,137,856/1,212,923,266,987.40
  6. Step 6: Final answer
    x = 594,186,967,209.07

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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.