Finding the Fourth Proportional to 298,923,858.90, 448,385,788.35 and 183,534,239.70
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Solution
The fourth proportional to 298,923,858.90, 448,385,788.35 and 183,534,239.70 is: 275,301,359.55
Step by Step Solution
- Step 1: Write the proportion equation
298,923,858.90 : 448,385,788.35 = 183,534,239.70 : x - Step 2: Convert to fraction form
298,923,858.90/448,385,788.35 = 183,534,239.70/x - Step 3: Cross multiply
298,923,858.90x = 448,385,788.35 × 183,534,239.70 - Step 4: Simplify right side
298,923,858.90x = 82,294,144,757,102,368 - Step 5: Solve for x
x = 82,294,144,757,102,368/298,923,858.90 - Step 6: Final answer
x = 275,301,359.55
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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.