Finding the Fourth Proportional to 373,247,999.20, 559,871,998.80 and 228,129,176.80
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Solution
The fourth proportional to 373,247,999.20, 559,871,998.80 and 228,129,176.80 is: 342,193,765.20
Step by Step Solution
- Step 1: Write the proportion equation
373,247,999.20 : 559,871,998.80 = 228,129,176.80 : x - Step 2: Convert to fraction form
373,247,999.20/559,871,998.80 = 228,129,176.80/x - Step 3: Cross multiply
373,247,999.20x = 559,871,998.80 × 228,129,176.80 - Step 4: Simplify right side
373,247,999.20x = 127,723,138,199,614,576 - Step 5: Solve for x
x = 127,723,138,199,614,576/373,247,999.20 - Step 6: Final answer
x = 342,193,765.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.