Finding the Fourth Proportional to 2,717,676,907.56, 4,076,525,989.62 and 826,891,907.40
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Solution
The fourth proportional to 2,717,676,907.56, 4,076,525,989.62 and 826,891,907.40 is: 1,240,341,094.91
Step by Step Solution
- Step 1: Write the proportion equation
2,717,676,907.56 : 4,076,525,989.62 = 826,891,907.40 : x - Step 2: Convert to fraction form
2,717,676,907.56/4,076,525,989.62 = 826,891,907.40/x - Step 3: Cross multiply
2,717,676,907.56x = 4,076,525,989.62 × 826,891,907.40 - Step 4: Simplify right side
2,717,676,907.56x = 3,370,846,351,122,554,368 - Step 5: Solve for x
x = 3,370,846,351,122,554,368/2,717,676,907.56 - Step 6: Final answer
x = 1,240,341,094.91
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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.