Finding the Fourth Proportional to 347,141,038.08, 479,022,971.40 and 205,987,936.80
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Solution
The fourth proportional to 347,141,038.08, 479,022,971.40 and 205,987,936.80 is: 284,244,565.56
Step by Step Solution
- Step 1: Write the proportion equation
347,141,038.08 : 479,022,971.40 = 205,987,936.80 : x - Step 2: Convert to fraction form
347,141,038.08/479,022,971.40 = 205,987,936.80/x - Step 3: Cross multiply
347,141,038.08x = 479,022,971.40 × 205,987,936.80 - Step 4: Simplify right side
347,141,038.08x = 98,672,953,558,491,408 - Step 5: Solve for x
x = 98,672,953,558,491,408/347,141,038.08 - Step 6: Final answer
x = 284,244,565.56
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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.