Finding the Fourth Proportional to 329,319,439.28, 493,320,504.18 and 198,089,273.36
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Solution
The fourth proportional to 329,319,439.28, 493,320,504.18 and 198,089,273.36 is: 296,737,721.95
Step by Step Solution
- Step 1: Write the proportion equation
329,319,439.28 : 493,320,504.18 = 198,089,273.36 : x - Step 2: Convert to fraction form
329,319,439.28/493,320,504.18 = 198,089,273.36/x - Step 3: Cross multiply
329,319,439.28x = 493,320,504.18 × 198,089,273.36 - Step 4: Simplify right side
329,319,439.28x = 97,721,500,206,605,056 - Step 5: Solve for x
x = 97,721,500,206,605,056/329,319,439.28 - Step 6: Final answer
x = 296,737,721.95
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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.