Finding the Fourth Proportional to 1,696,554,235.80, 2,544,831,353.70 and 469,722,687.30
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Solution
The fourth proportional to 1,696,554,235.80, 2,544,831,353.70 and 469,722,687.30 is: 704,584,030.95
Step by Step Solution
- Step 1: Write the proportion equation
1,696,554,235.80 : 2,544,831,353.70 = 469,722,687.30 : x - Step 2: Convert to fraction form
1,696,554,235.80/2,544,831,353.70 = 469,722,687.30/x - Step 3: Cross multiply
1,696,554,235.80x = 2,544,831,353.70 × 469,722,687.30 - Step 4: Simplify right side
1,696,554,235.80x = 1,195,365,022,185,260,800 - Step 5: Solve for x
x = 1,195,365,022,185,260,800/1,696,554,235.80 - Step 6: Final answer
x = 704,584,030.95
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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.