Finding the Fourth Proportional to 1,530,291,676.05, 2,292,036,291.68 and 1,326,218,332.05
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Solution
The fourth proportional to 1,530,291,676.05, 2,292,036,291.68 and 1,326,218,332.05 is: 1,986,379,848.57
Step by Step Solution
- Step 1: Write the proportion equation
1,530,291,676.05 : 2,292,036,291.68 = 1,326,218,332.05 : x - Step 2: Convert to fraction form
1,530,291,676.05/2,292,036,291.68 = 1,326,218,332.05/x - Step 3: Cross multiply
1,530,291,676.05x = 2,292,036,291.68 × 1,326,218,332.05 - Step 4: Simplify right side
1,530,291,676.05x = 3,039,740,547,743,285,760 - Step 5: Solve for x
x = 3,039,740,547,743,285,760/1,530,291,676.05 - Step 6: Final answer
x = 1,986,379,848.57
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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.