Finding the Fourth Proportional to 362,051,373.57, 499,683,543.62 and 203,299,318.05
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Solution
The fourth proportional to 362,051,373.57, 499,683,543.62 and 203,299,318.05 is: 280,582,621.90
Step by Step Solution
- Step 1: Write the proportion equation
362,051,373.57 : 499,683,543.62 = 203,299,318.05 : x - Step 2: Convert to fraction form
362,051,373.57/499,683,543.62 = 203,299,318.05/x - Step 3: Cross multiply
362,051,373.57x = 499,683,543.62 × 203,299,318.05 - Step 4: Simplify right side
362,051,373.57x = 101,585,323,657,736,944 - Step 5: Solve for x
x = 101,585,323,657,736,944/362,051,373.57 - Step 6: Final answer
x = 280,582,621.90
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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.