Finding the Fourth Proportional to 1,616,582,486.88, 2,424,863,555.04 and 869,949,957.40
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Solution
The fourth proportional to 1,616,582,486.88, 2,424,863,555.04 and 869,949,957.40 is: 1,304,919,460.36
Step by Step Solution
- Step 1: Write the proportion equation
1,616,582,486.88 : 2,424,863,555.04 = 869,949,957.40 : x - Step 2: Convert to fraction form
1,616,582,486.88/2,424,863,555.04 = 869,949,957.40/x - Step 3: Cross multiply
1,616,582,486.88x = 2,424,863,555.04 × 869,949,957.40 - Step 4: Simplify right side
1,616,582,486.88x = 2,109,509,946,407,860,480 - Step 5: Solve for x
x = 2,109,509,946,407,860,480/1,616,582,486.88 - Step 6: Final answer
x = 1,304,919,460.36
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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.