Finding the Fourth Proportional to 837,129,708.90, 1,255,694,563.35 and 254,859,329.70
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Solution
The fourth proportional to 837,129,708.90, 1,255,694,563.35 and 254,859,329.70 is: 382,288,994.55
Step by Step Solution
- Step 1: Write the proportion equation
837,129,708.90 : 1,255,694,563.35 = 254,859,329.70 : x - Step 2: Convert to fraction form
837,129,708.90/1,255,694,563.35 = 254,859,329.70/x - Step 3: Cross multiply
837,129,708.90x = 1,255,694,563.35 × 254,859,329.70 - Step 4: Simplify right side
837,129,708.90x = 320,025,474,723,315,136 - Step 5: Solve for x
x = 320,025,474,723,315,136/837,129,708.90 - Step 6: Final answer
x = 382,288,994.55
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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.