Finding the Fourth Proportional to 837,130,716.40, 1,255,696,074.60 and 254,860,337.20
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Solution
The fourth proportional to 837,130,716.40, 1,255,696,074.60 and 254,860,337.20 is: 382,290,505.80
Step by Step Solution
- Step 1: Write the proportion equation
837,130,716.40 : 1,255,696,074.60 = 254,860,337.20 : x - Step 2: Convert to fraction form
837,130,716.40/1,255,696,074.60 = 254,860,337.20/x - Step 3: Cross multiply
837,130,716.40x = 1,255,696,074.60 × 254,860,337.20 - Step 4: Simplify right side
837,130,716.40x = 320,027,124,993,272,320 - Step 5: Solve for x
x = 320,027,124,993,272,320/837,130,716.40 - Step 6: Final answer
x = 382,290,505.80
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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.