Finding the Fourth Proportional to 1,197,792,129.80, 1,796,688,194.70 and 732,202,574.60
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Solution
The fourth proportional to 1,197,792,129.80, 1,796,688,194.70 and 732,202,574.60 is: 1,098,303,861.90
Step by Step Solution
- Step 1: Write the proportion equation
1,197,792,129.80 : 1,796,688,194.70 = 732,202,574.60 : x - Step 2: Convert to fraction form
1,197,792,129.80/1,796,688,194.70 = 732,202,574.60/x - Step 3: Cross multiply
1,197,792,129.80x = 1,796,688,194.70 × 732,202,574.60 - Step 4: Simplify right side
1,197,792,129.80x = 1,315,539,721,912,766,208 - Step 5: Solve for x
x = 1,315,539,721,912,766,208/1,197,792,129.80 - Step 6: Final answer
x = 1,098,303,861.90
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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.