Finding the Fourth Proportional to 459,820,741.07, 690,035,740.16 and 252,703,790.08
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Solution
The fourth proportional to 459,820,741.07, 690,035,740.16 and 252,703,790.08 is: 379,223,099.90
Step by Step Solution
- Step 1: Write the proportion equation
459,820,741.07 : 690,035,740.16 = 252,703,790.08 : x - Step 2: Convert to fraction form
459,820,741.07/690,035,740.16 = 252,703,790.08/x - Step 3: Cross multiply
459,820,741.07x = 690,035,740.16 × 252,703,790.08 - Step 4: Simplify right side
459,820,741.07x = 174,374,646,826,101,440 - Step 5: Solve for x
x = 174,374,646,826,101,440/459,820,741.07 - Step 6: Final answer
x = 379,223,099.90
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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.