Finding the Fourth Proportional to 866,052,032.70, 1,299,078,049.05 and 252,698,259.90
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Solution
The fourth proportional to 866,052,032.70, 1,299,078,049.05 and 252,698,259.90 is: 379,047,389.85
Step by Step Solution
- Step 1: Write the proportion equation
866,052,032.70 : 1,299,078,049.05 = 252,698,259.90 : x - Step 2: Convert to fraction form
866,052,032.70/1,299,078,049.05 = 252,698,259.90/x - Step 3: Cross multiply
866,052,032.70x = 1,299,078,049.05 × 252,698,259.90 - Step 4: Simplify right side
866,052,032.70x = 328,274,762,469,221,824 - Step 5: Solve for x
x = 328,274,762,469,221,824/866,052,032.70 - Step 6: Final answer
x = 379,047,389.85
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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.