Finding the Fourth Proportional to 2,317,986,615, 3,199,653,583.14 and 1,378,187,014.84
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Solution
The fourth proportional to 2,317,986,615, 3,199,653,583.14 and 1,378,187,014.84 is: 1,902,392,788.52
Step by Step Solution
- Step 1: Write the proportion equation
2,317,986,615 : 3,199,653,583.14 = 1,378,187,014.84 : x - Step 2: Convert to fraction form
2,317,986,615/3,199,653,583.14 = 1,378,187,014.84/x - Step 3: Cross multiply
2,317,986,615x = 3,199,653,583.14 × 1,378,187,014.84 - Step 4: Simplify right side
2,317,986,615x = 4,409,721,020,269,826,048 - Step 5: Solve for x
x = 4,409,721,020,269,826,048/2,317,986,615 - Step 6: Final answer
x = 1,902,392,788.52
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1.5x scale
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.