Finding the Fourth Proportional to 1,922,935,539.60, 2,884,403,309.40 and 1,902,528,205.20
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Solution
The fourth proportional to 1,922,935,539.60, 2,884,403,309.40 and 1,902,528,205.20 is: 2,853,792,307.80
Step by Step Solution
- Step 1: Write the proportion equation
1,922,935,539.60 : 2,884,403,309.40 = 1,902,528,205.20 : x - Step 2: Convert to fraction form
1,922,935,539.60/2,884,403,309.40 = 1,902,528,205.20/x - Step 3: Cross multiply
1,922,935,539.60x = 2,884,403,309.40 × 1,902,528,205.20 - Step 4: Simplify right side
1,922,935,539.60x = 5,487,658,651,305,722,880 - Step 5: Solve for x
x = 5,487,658,651,305,722,880/1,922,935,539.60 - Step 6: Final answer
x = 2,853,792,307.80
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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.