Finding the Fourth Proportional to 1,180,992,178.60, 1,771,488,267.90 and 629,994,149.80
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Solution
The fourth proportional to 1,180,992,178.60, 1,771,488,267.90 and 629,994,149.80 is: 944,991,224.70
Step by Step Solution
- Step 1: Write the proportion equation
1,180,992,178.60 : 1,771,488,267.90 = 629,994,149.80 : x - Step 2: Convert to fraction form
1,180,992,178.60/1,771,488,267.90 = 629,994,149.80/x - Step 3: Cross multiply
1,180,992,178.60x = 1,771,488,267.90 × 629,994,149.80 - Step 4: Simplify right side
1,180,992,178.60x = 1,116,027,245,216,335,104 - Step 5: Solve for x
x = 1,116,027,245,216,335,104/1,180,992,178.60 - Step 6: Final answer
x = 944,991,224.70
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Similar ratio
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1.5x scale
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.