Finding the Fourth Proportional to 3,090,648,775.15, 4,266,204,715.75 and 1,837,582,641.68
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Solution
The fourth proportional to 3,090,648,775.15, 4,266,204,715.75 and 1,837,582,641.68 is: 2,536,523,656.31
Step by Step Solution
- Step 1: Write the proportion equation
3,090,648,775.15 : 4,266,204,715.75 = 1,837,582,641.68 : x - Step 2: Convert to fraction form
3,090,648,775.15/4,266,204,715.75 = 1,837,582,641.68/x - Step 3: Cross multiply
3,090,648,775.15x = 4,266,204,715.75 × 1,837,582,641.68 - Step 4: Simplify right side
3,090,648,775.15x = 7,839,503,731,521,629,184 - Step 5: Solve for x
x = 7,839,503,731,521,629,184/3,090,648,775.15 - Step 6: Final answer
x = 2,536,523,656.31
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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.