Finding the Fourth Proportional to 314,929,135.80, 472,393,703.70 and 237,330,876.60
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Solution
The fourth proportional to 314,929,135.80, 472,393,703.70 and 237,330,876.60 is: 355,996,314.90
Step by Step Solution
- Step 1: Write the proportion equation
314,929,135.80 : 472,393,703.70 = 237,330,876.60 : x - Step 2: Convert to fraction form
314,929,135.80/472,393,703.70 = 237,330,876.60/x - Step 3: Cross multiply
314,929,135.80x = 472,393,703.70 × 237,330,876.60 - Step 4: Simplify right side
314,929,135.80x = 112,113,611,799,441,664 - Step 5: Solve for x
x = 112,113,611,799,441,664/314,929,135.80 - Step 6: Final answer
x = 355,996,314.90
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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.