Finding the Fourth Proportional to 1,696,553,940.30, 2,544,830,910.45 and 469,722,391.80
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Solution
The fourth proportional to 1,696,553,940.30, 2,544,830,910.45 and 469,722,391.80 is: 704,583,587.70
Step by Step Solution
- Step 1: Write the proportion equation
1,696,553,940.30 : 2,544,830,910.45 = 469,722,391.80 : x - Step 2: Convert to fraction form
1,696,553,940.30/2,544,830,910.45 = 469,722,391.80/x - Step 3: Cross multiply
1,696,553,940.30x = 2,544,830,910.45 × 469,722,391.80 - Step 4: Simplify right side
1,696,553,940.30x = 1,195,364,061,983,145,472 - Step 5: Solve for x
x = 1,195,364,061,983,145,472/1,696,553,940.30 - Step 6: Final answer
x = 704,583,587.70
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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.