Finding the Fourth Proportional to 326,624,373.07, 450,438,866.36 and 238,378,592.59
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Solution
The fourth proportional to 326,624,373.07, 450,438,866.36 and 238,378,592.59 is: 328,741,489.81
Step by Step Solution
- Step 1: Write the proportion equation
326,624,373.07 : 450,438,866.36 = 238,378,592.59 : x - Step 2: Convert to fraction form
326,624,373.07/450,438,866.36 = 238,378,592.59/x - Step 3: Cross multiply
326,624,373.07x = 450,438,866.36 × 238,378,592.59 - Step 4: Simplify right side
326,624,373.07x = 107,374,983,009,307,824 - Step 5: Solve for x
x = 107,374,983,009,307,824/326,624,373.07 - Step 6: Final answer
x = 328,741,489.81
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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.