Finding the Fourth Proportional to 1,703,549,821.20, 2,555,324,731.80 and 1,091,329,789.20
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Solution
The fourth proportional to 1,703,549,821.20, 2,555,324,731.80 and 1,091,329,789.20 is: 1,636,994,683.80
Step by Step Solution
- Step 1: Write the proportion equation
1,703,549,821.20 : 2,555,324,731.80 = 1,091,329,789.20 : x - Step 2: Convert to fraction form
1,703,549,821.20/2,555,324,731.80 = 1,091,329,789.20/x - Step 3: Cross multiply
1,703,549,821.20x = 2,555,324,731.80 × 1,091,329,789.20 - Step 4: Simplify right side
1,703,549,821.20x = 2,788,702,000,892,840,960 - Step 5: Solve for x
x = 2,788,702,000,892,840,960/1,703,549,821.20 - Step 6: Final answer
x = 1,636,994,683.80
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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.