Finding the Fourth Proportional to 1,696,553,205.80, 2,544,829,808.70 and 469,721,657.30
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Solution
The fourth proportional to 1,696,553,205.80, 2,544,829,808.70 and 469,721,657.30 is: 704,582,485.95
Step by Step Solution
- Step 1: Write the proportion equation
1,696,553,205.80 : 2,544,829,808.70 = 469,721,657.30 : x - Step 2: Convert to fraction form
1,696,553,205.80/2,544,829,808.70 = 469,721,657.30/x - Step 3: Cross multiply
1,696,553,205.80x = 2,544,829,808.70 × 469,721,657.30 - Step 4: Simplify right side
1,696,553,205.80x = 1,195,361,675,289,005,824 - Step 5: Solve for x
x = 1,195,361,675,289,005,824/1,696,553,205.80 - Step 6: Final answer
x = 704,582,485.95
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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.