Finding the Fourth Proportional to 5,148,965,455,982.60, 7,100,799,432,525 and 3,757,843,083,515.70
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Solution
The fourth proportional to 5,148,965,455,982.60, 7,100,799,432,525 and 3,757,843,083,515.70 is: 5,182,340,076,479.33
Step by Step Solution
- Step 1: Write the proportion equation
5,148,965,455,982.60 : 7,100,799,432,525 = 3,757,843,083,515.70 : x - Step 2: Convert to fraction form
5,148,965,455,982.60/7,100,799,432,525 = 3,757,843,083,515.70/x - Step 3: Cross multiply
5,148,965,455,982.60x = 7,100,799,432,525 × 3,757,843,083,515.70 - Step 4: Simplify right side
5,148,965,455,982.60x = 26,683,690,034,946,278,523,142,144 - Step 5: Solve for x
x = 26,683,690,034,946,278,523,142,144/5,148,965,455,982.60 - Step 6: Final answer
x = 5,182,340,076,479.33
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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.