Finding the Fourth Proportional to 385,651,995.59, 532,362,612.99 and 260,373,899.99
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Solution
The fourth proportional to 385,651,995.59, 532,362,612.99 and 260,373,899.99 is: 359,425,936.69
Step by Step Solution
- Step 1: Write the proportion equation
385,651,995.59 : 532,362,612.99 = 260,373,899.99 : x - Step 2: Convert to fraction form
385,651,995.59/532,362,612.99 = 260,373,899.99/x - Step 3: Cross multiply
385,651,995.59x = 532,362,612.99 × 260,373,899.99 - Step 4: Simplify right side
385,651,995.59x = 138,613,329,750,411,536 - Step 5: Solve for x
x = 138,613,329,750,411,536/385,651,995.59 - Step 6: Final answer
x = 359,425,936.69
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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.