Finding the Fourth Proportional to 4,989,132,220.68, 6,884,531,497.62 and 2,981,567,675.88
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Solution
The fourth proportional to 4,989,132,220.68, 6,884,531,497.62 and 2,981,567,675.88 is: 4,114,281,937.01
Step by Step Solution
- Step 1: Write the proportion equation
4,989,132,220.68 : 6,884,531,497.62 = 2,981,567,675.88 : x - Step 2: Convert to fraction form
4,989,132,220.68/6,884,531,497.62 = 2,981,567,675.88/x - Step 3: Cross multiply
4,989,132,220.68x = 6,884,531,497.62 × 2,981,567,675.88 - Step 4: Simplify right side
4,989,132,220.68x = 20,526,696,576,881,520,640 - Step 5: Solve for x
x = 20,526,696,576,881,520,640/4,989,132,220.68 - Step 6: Final answer
x = 4,114,281,937.01
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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.