Home / 38,498,175,774.87-53,120,457,849.88-22,215,842,571.77

Finding the Fourth Proportional to 38,498,175,774.87, 53,120,457,849.88 and 22,215,842,571.77

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Solution

The fourth proportional to 38,498,175,774.87, 53,120,457,849.88 and 22,215,842,571.77 is: 30,653,809,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498,175,774.87 : 53,120,457,849.88 = 22,215,842,571.77 : x
  2. Step 2: Convert to fraction form
    38,498,175,774.87/53,120,457,849.88 = 22,215,842,571.77/x
  3. Step 3: Cross multiply
    38,498,175,774.87x = 53,120,457,849.88 × 22,215,842,571.77
  4. Step 4: Simplify right side
    38,498,175,774.87x = 1,180,115,728,933,339,660,288
  5. Step 5: Solve for x
    x = 1,180,115,728,933,339,660,288/38,498,175,774.87
  6. Step 6: Final answer
    x = 30,653,809,048.89

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Double scale
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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.