Finding the Fourth Proportional to 3,090,648,771.68, 4,266,204,710.96 and 1,837,582,638.21
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Solution
The fourth proportional to 3,090,648,771.68, 4,266,204,710.96 and 1,837,582,638.21 is: 2,536,523,651.53
Step by Step Solution
- Step 1: Write the proportion equation
3,090,648,771.68 : 4,266,204,710.96 = 1,837,582,638.21 : x - Step 2: Convert to fraction form
3,090,648,771.68/4,266,204,710.96 = 1,837,582,638.21/x - Step 3: Cross multiply
3,090,648,771.68x = 4,266,204,710.96 × 1,837,582,638.21 - Step 4: Simplify right side
3,090,648,771.68x = 7,839,503,707,914,401,792 - Step 5: Solve for x
x = 7,839,503,707,914,401,792/3,090,648,771.68 - Step 6: Final answer
x = 2,536,523,651.53
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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.