Finding the Fourth Proportional to 1,590,450,253.44, 2,194,800,424.32 and 875,972,088.96
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Solution
The fourth proportional to 1,590,450,253.44, 2,194,800,424.32 and 875,972,088.96 is: 1,208,829,957.67
Step by Step Solution
- Step 1: Write the proportion equation
1,590,450,253.44 : 2,194,800,424.32 = 875,972,088.96 : x - Step 2: Convert to fraction form
1,590,450,253.44/2,194,800,424.32 = 875,972,088.96/x - Step 3: Cross multiply
1,590,450,253.44x = 2,194,800,424.32 × 875,972,088.96 - Step 4: Simplify right side
1,590,450,253.44x = 1,922,583,912,541,884,928 - Step 5: Solve for x
x = 1,922,583,912,541,884,928/1,590,450,253.44 - Step 6: Final answer
x = 1,208,829,957.67
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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.