Finding the Fourth Proportional to 1,792,594,990.05, 2,473,783,469.31 and 988,804,356.09
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Solution
The fourth proportional to 1,792,594,990.05, 2,473,783,469.31 and 988,804,356.09 is: 1,364,551,325.90
Step by Step Solution
- Step 1: Write the proportion equation
1,792,594,990.05 : 2,473,783,469.31 = 988,804,356.09 : x - Step 2: Convert to fraction form
1,792,594,990.05/2,473,783,469.31 = 988,804,356.09/x - Step 3: Cross multiply
1,792,594,990.05x = 2,473,783,469.31 × 988,804,356.09 - Step 4: Simplify right side
1,792,594,990.05x = 2,446,087,870,477,160,960 - Step 5: Solve for x
x = 2,446,087,870,477,160,960/1,792,594,990.05 - Step 6: Final answer
x = 1,364,551,325.90
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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.