Home / 39,807,950,725.36-54,934,608,107.55-21,743,461,518.21

Finding the Fourth Proportional to 39,807,950,725.36, 54,934,608,107.55 and 21,743,461,518.21

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Solution

The fourth proportional to 39,807,950,725.36, 54,934,608,107.55 and 21,743,461,518.21 is: 30,005,778,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807,950,725.36 : 54,934,608,107.55 = 21,743,461,518.21 : x
  2. Step 2: Convert to fraction form
    39,807,950,725.36/54,934,608,107.55 = 21,743,461,518.21/x
  3. Step 3: Cross multiply
    39,807,950,725.36x = 54,934,608,107.55 × 21,743,461,518.21
  4. Step 4: Simplify right side
    39,807,950,725.36x = 1,194,468,537,404,483,436,544
  5. Step 5: Solve for x
    x = 1,194,468,537,404,483,436,544/39,807,950,725.36
  6. Step 6: Final answer
    x = 30,005,778,133.25

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1.5x scale

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.