Finding the Fourth Proportional to 5,210,226,319.68, 7,816,872,985.68 and 1,893,988,618.26
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Solution
The fourth proportional to 5,210,226,319.68, 7,816,872,985.68 and 1,893,988,618.26 is: 2,841,540,377.88
Step by Step Solution
- Step 1: Write the proportion equation
5,210,226,319.68 : 7,816,872,985.68 = 1,893,988,618.26 : x - Step 2: Convert to fraction form
5,210,226,319.68/7,816,872,985.68 = 1,893,988,618.26/x - Step 3: Cross multiply
5,210,226,319.68x = 7,816,872,985.68 × 1,893,988,618.26 - Step 4: Simplify right side
5,210,226,319.68x = 14,805,068,465,261,983,744 - Step 5: Solve for x
x = 14,805,068,465,261,983,744/5,210,226,319.68 - Step 6: Final answer
x = 2,841,540,377.88
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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.