Finding the Fourth Proportional to 4,979,530,151.25, 6,871,758,304.88 and 2,864,943,684.08
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Solution
The fourth proportional to 4,979,530,151.25, 6,871,758,304.88 and 2,864,943,684.08 is: 3,953,626,136.61
Step by Step Solution
- Step 1: Write the proportion equation
4,979,530,151.25 : 6,871,758,304.88 = 2,864,943,684.08 : x - Step 2: Convert to fraction form
4,979,530,151.25/6,871,758,304.88 = 2,864,943,684.08/x - Step 3: Cross multiply
4,979,530,151.25x = 6,871,758,304.88 × 2,864,943,684.08 - Step 4: Simplify right side
4,979,530,151.25x = 19,687,200,554,041,556,992 - Step 5: Solve for x
x = 19,687,200,554,041,556,992/4,979,530,151.25 - Step 6: Final answer
x = 3,953,626,136.61
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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.