Finding the Fourth Proportional to 217,958,965.41, 327,091,655.36 and 197,119,982.82
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Solution
The fourth proportional to 217,958,965.41, 327,091,655.36 and 197,119,982.82 is: 295,818,533.38
Step by Step Solution
- Step 1: Write the proportion equation
217,958,965.41 : 327,091,655.36 = 197,119,982.82 : x - Step 2: Convert to fraction form
217,958,965.41/327,091,655.36 = 197,119,982.82/x - Step 3: Cross multiply
217,958,965.41x = 327,091,655.36 × 197,119,982.82 - Step 4: Simplify right side
217,958,965.41x = 64,476,301,484,142,960 - Step 5: Solve for x
x = 64,476,301,484,142,960/217,958,965.41 - Step 6: Final answer
x = 295,818,533.38
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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.