Finding the Fourth Proportional to 1,708,584,534,889.50, 2,357,848,993,043.20 and 927,317,674,439.18
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Solution
The fourth proportional to 1,708,584,534,889.50, 2,357,848,993,043.20 and 927,317,674,439.18 is: 1,279,699,657,968.04
Step by Step Solution
- Step 1: Write the proportion equation
1,708,584,534,889.50 : 2,357,848,993,043.20 = 927,317,674,439.18 : x - Step 2: Convert to fraction form
1,708,584,534,889.50/2,357,848,993,043.20 = 927,317,674,439.18/x - Step 3: Cross multiply
1,708,584,534,889.50x = 2,357,848,993,043.20 × 927,317,674,439.18 - Step 4: Simplify right side
1,708,584,534,889.50x = 2,186,475,044,907,582,777,982,976 - Step 5: Solve for x
x = 2,186,475,044,907,582,777,982,976/1,708,584,534,889.50 - Step 6: Final answer
x = 1,279,699,657,968.04
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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.