Finding the Fourth Proportional to 299,126,833.64, 412,863,905.18 and 175,407,368.84
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Solution
The fourth proportional to 299,126,833.64, 412,863,905.18 and 175,407,368.84 is: 242,102,557.02
Step by Step Solution
- Step 1: Write the proportion equation
299,126,833.64 : 412,863,905.18 = 175,407,368.84 : x - Step 2: Convert to fraction form
299,126,833.64/412,863,905.18 = 175,407,368.84/x - Step 3: Cross multiply
299,126,833.64x = 412,863,905.18 × 175,407,368.84 - Step 4: Simplify right side
299,126,833.64x = 72,419,371,296,631,056 - Step 5: Solve for x
x = 72,419,371,296,631,056/299,126,833.64 - Step 6: Final answer
x = 242,102,557.02
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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.