Finding the Fourth Proportional to 1,792,594,989.05, 2,473,783,467.93 and 988,804,355.09
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Solution
The fourth proportional to 1,792,594,989.05, 2,473,783,467.93 and 988,804,355.09 is: 1,364,551,324.52
Step by Step Solution
- Step 1: Write the proportion equation
1,792,594,989.05 : 2,473,783,467.93 = 988,804,355.09 : x - Step 2: Convert to fraction form
1,792,594,989.05/2,473,783,467.93 = 988,804,355.09/x - Step 3: Cross multiply
1,792,594,989.05x = 2,473,783,467.93 × 988,804,355.09 - Step 4: Simplify right side
1,792,594,989.05x = 2,446,087,866,633,883,648 - Step 5: Solve for x
x = 2,446,087,866,633,883,648/1,792,594,989.05 - Step 6: Final answer
x = 1,364,551,324.52
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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.