Home / 877,131,624.36-1,315,685,038.26-213,150,524.49

Finding the Fourth Proportional to 877,131,624.36, 1,315,685,038.26 and 213,150,524.49

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Solution

The fourth proportional to 877,131,624.36, 1,315,685,038.26 and 213,150,524.49 is: 319,722,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,131,624.36 : 1,315,685,038.26 = 213,150,524.49 : x
  2. Step 2: Convert to fraction form
    877,131,624.36/1,315,685,038.26 = 213,150,524.49/x
  3. Step 3: Cross multiply
    877,131,624.36x = 1,315,685,038.26 × 213,150,524.49
  4. Step 4: Simplify right side
    877,131,624.36x = 280,438,955,968,764,736
  5. Step 5: Solve for x
    x = 280,438,955,968,764,736/877,131,624.36
  6. Step 6: Final answer
    x = 319,722,773.85

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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.