Finding the Fourth Proportional to 326,453,432,251.41, 450,507,097,243.83 and 179,962,675,480.45
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Solution
The fourth proportional to 326,453,432,251.41, 450,507,097,243.83 and 179,962,675,480.45 is: 248,349,242,290.99
Step by Step Solution
- Step 1: Write the proportion equation
326,453,432,251.41 : 450,507,097,243.83 = 179,962,675,480.45 : x - Step 2: Convert to fraction form
326,453,432,251.41/450,507,097,243.83 = 179,962,675,480.45/x - Step 3: Cross multiply
326,453,432,251.41x = 450,507,097,243.83 × 179,962,675,480.45 - Step 4: Simplify right side
326,453,432,251.41x = 81,074,462,542,930,913,525,760 - Step 5: Solve for x
x = 81,074,462,542,930,913,525,760/326,453,432,251.41 - Step 6: Final answer
x = 248,349,242,290.99
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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.