Finding the Fourth Proportional to 5,121,424,928.88, 7,067,573,573.40 and 2,774,581,472.88
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Solution
The fourth proportional to 5,121,424,928.88, 7,067,573,573.40 and 2,774,581,472.88 is: 3,828,926,317.83
Step by Step Solution
- Step 1: Write the proportion equation
5,121,424,928.88 : 7,067,573,573.40 = 2,774,581,472.88 : x - Step 2: Convert to fraction form
5,121,424,928.88/7,067,573,573.40 = 2,774,581,472.88/x - Step 3: Cross multiply
5,121,424,928.88x = 7,067,573,573.40 × 2,774,581,472.88 - Step 4: Simplify right side
5,121,424,928.88x = 19,609,558,694,971,936,768 - Step 5: Solve for x
x = 19,609,558,694,971,936,768/5,121,424,928.88 - Step 6: Final answer
x = 3,828,926,317.83
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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.