Finding the Fourth Proportional to 1,816,611,957.75, 2,506,925,462.25 and 981,236,526.63
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Solution
The fourth proportional to 1,816,611,957.75, 2,506,925,462.25 and 981,236,526.63 is: 1,354,106,925.59
Step by Step Solution
- Step 1: Write the proportion equation
1,816,611,957.75 : 2,506,925,462.25 = 981,236,526.63 : x - Step 2: Convert to fraction form
1,816,611,957.75/2,506,925,462.25 = 981,236,526.63/x - Step 3: Cross multiply
1,816,611,957.75x = 2,506,925,462.25 × 981,236,526.63 - Step 4: Simplify right side
1,816,611,957.75x = 2,459,886,833,098,497,024 - Step 5: Solve for x
x = 2,459,886,833,098,497,024/1,816,611,957.75 - Step 6: Final answer
x = 1,354,106,925.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.