Finding the Fourth Proportional to 582,983,321.36, 804,516,924.05 and 318,666,369.95
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Solution
The fourth proportional to 582,983,321.36, 804,516,924.05 and 318,666,369.95 is: 439,759,558.05
Step by Step Solution
- Step 1: Write the proportion equation
582,983,321.36 : 804,516,924.05 = 318,666,369.95 : x - Step 2: Convert to fraction form
582,983,321.36/804,516,924.05 = 318,666,369.95/x - Step 3: Cross multiply
582,983,321.36x = 804,516,924.05 × 318,666,369.95 - Step 4: Simplify right side
582,983,321.36x = 256,372,487,748,760,000 - Step 5: Solve for x
x = 256,372,487,748,760,000/582,983,321.36 - Step 6: Final answer
x = 439,759,558.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.