Finding the Fourth Proportional to 2,638,757,719.94, 3,641,556,765.47 and 1,552,515,432.14
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Solution
The fourth proportional to 2,638,757,719.94, 3,641,556,765.47 and 1,552,515,432.14 is: 2,142,513,135.14
Step by Step Solution
- Step 1: Write the proportion equation
2,638,757,719.94 : 3,641,556,765.47 = 1,552,515,432.14 : x - Step 2: Convert to fraction form
2,638,757,719.94/3,641,556,765.47 = 1,552,515,432.14/x - Step 3: Cross multiply
2,638,757,719.94x = 3,641,556,765.47 × 1,552,515,432.14 - Step 4: Simplify right side
2,638,757,719.94x = 5,653,573,075,407,338,496 - Step 5: Solve for x
x = 5,653,573,075,407,338,496/2,638,757,719.94 - Step 6: Final answer
x = 2,142,513,135.14
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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.