Finding the Fourth Proportional to 5,382,810,143.62, 8,074,161,336.39 and 1,702,316,125.06
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Solution
The fourth proportional to 5,382,810,143.62, 8,074,161,336.39 and 1,702,316,125.06 is: 2,553,457,148.32
Step by Step Solution
- Step 1: Write the proportion equation
5,382,810,143.62 : 8,074,161,336.39 = 1,702,316,125.06 : x - Step 2: Convert to fraction form
5,382,810,143.62/8,074,161,336.39 = 1,702,316,125.06/x - Step 3: Cross multiply
5,382,810,143.62x = 8,074,161,336.39 × 1,702,316,125.06 - Step 4: Simplify right side
5,382,810,143.62x = 13,744,775,039,272,695,808 - Step 5: Solve for x
x = 13,744,775,039,272,695,808/5,382,810,143.62 - Step 6: Final answer
x = 2,553,457,148.32
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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.