Finding the Fourth Proportional to 1,251,792,333.84, 1,727,387,007.75 and 694,831,537.02
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Solution
The fourth proportional to 1,251,792,333.84, 1,727,387,007.75 and 694,831,537.02 is: 958,819,555.91
Step by Step Solution
- Step 1: Write the proportion equation
1,251,792,333.84 : 1,727,387,007.75 = 694,831,537.02 : x - Step 2: Convert to fraction form
1,251,792,333.84/1,727,387,007.75 = 694,831,537.02/x - Step 3: Cross multiply
1,251,792,333.84x = 1,727,387,007.75 × 694,831,537.02 - Step 4: Simplify right side
1,251,792,333.84x = 1,200,242,969,623,311,104 - Step 5: Solve for x
x = 1,200,242,969,623,311,104/1,251,792,333.84 - Step 6: Final answer
x = 958,819,555.91
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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.