Finding the Fourth Proportional to 863,176,851.74, 1,294,208,591.27 and 338,598,957.99
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Solution
The fourth proportional to 863,176,851.74, 1,294,208,591.27 and 338,598,957.99 is: 507,680,065.26
Step by Step Solution
- Step 1: Write the proportion equation
863,176,851.74 : 1,294,208,591.27 = 338,598,957.99 : x - Step 2: Convert to fraction form
863,176,851.74/1,294,208,591.27 = 338,598,957.99/x - Step 3: Cross multiply
863,176,851.74x = 1,294,208,591.27 × 338,598,957.99 - Step 4: Simplify right side
863,176,851.74x = 438,217,680,424,034,880 - Step 5: Solve for x
x = 438,217,680,424,034,880/863,176,851.74 - Step 6: Final answer
x = 507,680,065.26
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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.