Finding the Fourth Proportional to 5,457,951,347.90, 7,531,972,801.78 and 2,951,825,059.68
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Solution
The fourth proportional to 5,457,951,347.90, 7,531,972,801.78 and 2,951,825,059.68 is: 4,073,518,550.81
Step by Step Solution
- Step 1: Write the proportion equation
5,457,951,347.90 : 7,531,972,801.78 = 2,951,825,059.68 : x - Step 2: Convert to fraction form
5,457,951,347.90/7,531,972,801.78 = 2,951,825,059.68/x - Step 3: Cross multiply
5,457,951,347.90x = 7,531,972,801.78 × 2,951,825,059.68 - Step 4: Simplify right side
5,457,951,347.90x = 22,233,066,065,097,306,112 - Step 5: Solve for x
x = 22,233,066,065,097,306,112/5,457,951,347.90 - Step 6: Final answer
x = 4,073,518,550.81
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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.