Finding the Fourth Proportional to 5,457,963,941.47, 7,531,990,251.06 and 2,951,837,652.88
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Solution
The fourth proportional to 5,457,963,941.47, 7,531,990,251.06 and 2,951,837,652.88 is: 4,073,535,967.37
Step by Step Solution
- Step 1: Write the proportion equation
5,457,963,941.47 : 7,531,990,251.06 = 2,951,837,652.88 : x - Step 2: Convert to fraction form
5,457,963,941.47/7,531,990,251.06 = 2,951,837,652.88/x - Step 3: Cross multiply
5,457,963,941.47x = 7,531,990,251.06 × 2,951,837,652.88 - Step 4: Simplify right side
5,457,963,941.47x = 22,233,212,424,203,993,088 - Step 5: Solve for x
x = 22,233,212,424,203,993,088/5,457,963,941.47 - Step 6: Final answer
x = 4,073,535,967.37
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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.