Finding the Fourth Proportional to 373,579,972.80, 560,369,959.20 and 201,393,088.80
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Solution
The fourth proportional to 373,579,972.80, 560,369,959.20 and 201,393,088.80 is: 302,089,633.20
Step by Step Solution
- Step 1: Write the proportion equation
373,579,972.80 : 560,369,959.20 = 201,393,088.80 : x - Step 2: Convert to fraction form
373,579,972.80/560,369,959.20 = 201,393,088.80/x - Step 3: Cross multiply
373,579,972.80x = 560,369,959.20 × 201,393,088.80 - Step 4: Simplify right side
373,579,972.80x = 112,854,636,954,018,000 - Step 5: Solve for x
x = 112,854,636,954,018,000/373,579,972.80 - Step 6: Final answer
x = 302,089,633.20
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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.