Finding the Fourth Proportional to 373,438,927.88, 515,390,910.41 and 212,542,030.88
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Solution
The fourth proportional to 373,438,927.88, 515,390,910.41 and 212,542,030.88 is: 293,333,722.37
Step by Step Solution
- Step 1: Write the proportion equation
373,438,927.88 : 515,390,910.41 = 212,542,030.88 : x - Step 2: Convert to fraction form
373,438,927.88/515,390,910.41 = 212,542,030.88/x - Step 3: Cross multiply
373,438,927.88x = 515,390,910.41 × 212,542,030.88 - Step 4: Simplify right side
373,438,927.88x = 109,542,230,791,993,856 - Step 5: Solve for x
x = 109,542,230,791,993,856/373,438,927.88 - Step 6: Final answer
x = 293,333,722.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.