Finding the Fourth Proportional to 2,317,986,582.14, 3,199,653,537.89 and 1,378,186,982.05
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Solution
The fourth proportional to 2,317,986,582.14, 3,199,653,537.89 and 1,378,186,982.05 is: 1,902,392,743.32
Step by Step Solution
- Step 1: Write the proportion equation
2,317,986,582.14 : 3,199,653,537.89 = 1,378,186,982.05 : x - Step 2: Convert to fraction form
2,317,986,582.14/3,199,653,537.89 = 1,378,186,982.05/x - Step 3: Cross multiply
2,317,986,582.14x = 3,199,653,537.89 × 1,378,186,982.05 - Step 4: Simplify right side
2,317,986,582.14x = 4,409,720,852,974,226,432 - Step 5: Solve for x
x = 4,409,720,852,974,226,432/2,317,986,582.14 - Step 6: Final answer
x = 1,902,392,743.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.