Finding the Fourth Proportional to 1,149,207,342.48, 1,724,053,113.12 and 372,792,378.96
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Solution
The fourth proportional to 1,149,207,342.48, 1,724,053,113.12 and 372,792,378.96 is: 559,267,103.28
Step by Step Solution
- Step 1: Write the proportion equation
1,149,207,342.48 : 1,724,053,113.12 = 372,792,378.96 : x - Step 2: Convert to fraction form
1,149,207,342.48/1,724,053,113.12 = 372,792,378.96/x - Step 3: Cross multiply
1,149,207,342.48x = 1,724,053,113.12 × 372,792,378.96 - Step 4: Simplify right side
1,149,207,342.48x = 642,713,861,493,398,656 - Step 5: Solve for x
x = 642,713,861,493,398,656/1,149,207,342.48 - Step 6: Final answer
x = 559,267,103.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.