Finding the Fourth Proportional to 1,149,207,079.60, 1,724,052,720.30 and 372,792,117.70
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Solution
The fourth proportional to 1,149,207,079.60, 1,724,052,720.30 and 372,792,117.70 is: 559,266,711.84
Step by Step Solution
- Step 1: Write the proportion equation
1,149,207,079.60 : 1,724,052,720.30 = 372,792,117.70 : x - Step 2: Convert to fraction form
1,149,207,079.60/1,724,052,720.30 = 372,792,117.70/x - Step 3: Cross multiply
1,149,207,079.60x = 1,724,052,720.30 × 372,792,117.70 - Step 4: Simplify right side
1,149,207,079.60x = 642,713,264,627,082,752 - Step 5: Solve for x
x = 642,713,264,627,082,752/1,149,207,079.60 - Step 6: Final answer
x = 559,266,711.84
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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.