Finding the Fourth Proportional to 1,771,520,743.20, 2,657,281,114.80 and 1,690,899,175.20
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Solution
The fourth proportional to 1,771,520,743.20, 2,657,281,114.80 and 1,690,899,175.20 is: 2,536,348,762.80
Step by Step Solution
- Step 1: Write the proportion equation
1,771,520,743.20 : 2,657,281,114.80 = 1,690,899,175.20 : x - Step 2: Convert to fraction form
1,771,520,743.20/2,657,281,114.80 = 1,690,899,175.20/x - Step 3: Cross multiply
1,771,520,743.20x = 2,657,281,114.80 × 1,690,899,175.20 - Step 4: Simplify right side
1,771,520,743.20x = 4,493,194,445,289,857,024 - Step 5: Solve for x
x = 4,493,194,445,289,857,024/1,771,520,743.20 - Step 6: Final answer
x = 2,536,348,762.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.