Finding the Fourth Proportional to 1,771,488,234.40, 2,657,232,351.60 and 944,991,191.20
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Solution
The fourth proportional to 1,771,488,234.40, 2,657,232,351.60 and 944,991,191.20 is: 1,417,486,786.80
Step by Step Solution
- Step 1: Write the proportion equation
1,771,488,234.40 : 2,657,232,351.60 = 944,991,191.20 : x - Step 2: Convert to fraction form
1,771,488,234.40/2,657,232,351.60 = 944,991,191.20/x - Step 3: Cross multiply
1,771,488,234.40x = 2,657,232,351.60 × 944,991,191.20 - Step 4: Simplify right side
1,771,488,234.40x = 2,511,061,165,233,661,440 - Step 5: Solve for x
x = 2,511,061,165,233,661,440/1,771,488,234.40 - Step 6: Final answer
x = 1,417,486,786.80
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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.