Finding the Fourth Proportional to 319,242,209.01, 478,633,491.92 and 196,166,242.99
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Solution
The fourth proportional to 319,242,209.01, 478,633,491.92 and 196,166,242.99 is: 294,108,144.95
Step by Step Solution
- Step 1: Write the proportion equation
319,242,209.01 : 478,633,491.92 = 196,166,242.99 : x - Step 2: Convert to fraction form
319,242,209.01/478,633,491.92 = 196,166,242.99/x - Step 3: Cross multiply
319,242,209.01x = 478,633,491.92 × 196,166,242.99 - Step 4: Simplify right side
319,242,209.01x = 93,891,733,880,219,632 - Step 5: Solve for x
x = 93,891,733,880,219,632/319,242,209.01 - Step 6: Final answer
x = 294,108,144.95
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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.