Finding the Fourth Proportional to 1,497,739,769.80, 2,246,609,654.70 and 681,446,393.80
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Solution
The fourth proportional to 1,497,739,769.80, 2,246,609,654.70 and 681,446,393.80 is: 1,022,169,590.70
Step by Step Solution
- Step 1: Write the proportion equation
1,497,739,769.80 : 2,246,609,654.70 = 681,446,393.80 : x - Step 2: Convert to fraction form
1,497,739,769.80/2,246,609,654.70 = 681,446,393.80/x - Step 3: Cross multiply
1,497,739,769.80x = 2,246,609,654.70 × 681,446,393.80 - Step 4: Simplify right side
1,497,739,769.80x = 1,530,944,047,471,577,856 - Step 5: Solve for x
x = 1,530,944,047,471,577,856/1,497,739,769.80 - Step 6: Final answer
x = 1,022,169,590.70
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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.