Finding the Fourth Proportional to 338,321,990.88, 507,483,431.64 and 92,680,809.84
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Solution
The fourth proportional to 338,321,990.88, 507,483,431.64 and 92,680,809.84 is: 139,021,336.75
Step by Step Solution
- Step 1: Write the proportion equation
338,321,990.88 : 507,483,431.64 = 92,680,809.84 : x - Step 2: Convert to fraction form
338,321,990.88/507,483,431.64 = 92,680,809.84/x - Step 3: Cross multiply
338,321,990.88x = 507,483,431.64 × 92,680,809.84 - Step 4: Simplify right side
338,321,990.88x = 47,033,975,424,777,480 - Step 5: Solve for x
x = 47,033,975,424,777,480/338,321,990.88 - Step 6: Final answer
x = 139,021,336.75
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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.