Finding the Fourth Proportional to 347,680,517,648.80, 521,520,776,473.20 and 124,342,649,975.20
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Solution
The fourth proportional to 347,680,517,648.80, 521,520,776,473.20 and 124,342,649,975.20 is: 186,513,974,962.80
Step by Step Solution
- Step 1: Write the proportion equation
347,680,517,648.80 : 521,520,776,473.20 = 124,342,649,975.20 : x - Step 2: Convert to fraction form
347,680,517,648.80/521,520,776,473.20 = 124,342,649,975.20/x - Step 3: Cross multiply
347,680,517,648.80x = 521,520,776,473.20 × 124,342,649,975.20 - Step 4: Simplify right side
347,680,517,648.80x = 64,847,275,363,801,629,720,576 - Step 5: Solve for x
x = 64,847,275,363,801,629,720,576/347,680,517,648.80 - Step 6: Final answer
x = 186,513,974,962.80
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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.