Finding the Fourth Proportional to 47,643,866,275.68, 71,465,888,993.04 and 19,664,419,839.84
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Solution
The fourth proportional to 47,643,866,275.68, 71,465,888,993.04 and 19,664,419,839.84 is: 29,496,666,732.61
Step by Step Solution
- Step 1: Write the proportion equation
47,643,866,275.68 : 71,465,888,993.04 = 19,664,419,839.84 : x - Step 2: Convert to fraction form
47,643,866,275.68/71,465,888,993.04 = 19,664,419,839.84/x - Step 3: Cross multiply
47,643,866,275.68x = 71,465,888,993.04 × 19,664,419,839.84 - Step 4: Simplify right side
47,643,866,275.68x = 1,405,335,245,386,538,811,392 - Step 5: Solve for x
x = 1,405,335,245,386,538,811,392/47,643,866,275.68 - Step 6: Final answer
x = 29,496,666,732.61
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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.