Finding the Fourth Proportional to 3,852,748,810.79, 5,316,702,930.34 and 2,266,943,481.62
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Solution
The fourth proportional to 3,852,748,810.79, 5,316,702,930.34 and 2,266,943,481.62 is: 3,128,328,796.80
Step by Step Solution
- Step 1: Write the proportion equation
3,852,748,810.79 : 5,316,702,930.34 = 2,266,943,481.62 : x - Step 2: Convert to fraction form
3,852,748,810.79/5,316,702,930.34 = 2,266,943,481.62/x - Step 3: Cross multiply
3,852,748,810.79x = 5,316,702,930.34 × 2,266,943,481.62 - Step 4: Simplify right side
3,852,748,810.79x = 12,052,665,051,611,963,392 - Step 5: Solve for x
x = 12,052,665,051,611,963,392/3,852,748,810.79 - Step 6: Final answer
x = 3,128,328,796.80
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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.