Finding the Fourth Proportional to 439,899,858.11, 607,068,021.99 and 241,679,672.43
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Solution
The fourth proportional to 439,899,858.11, 607,068,021.99 and 241,679,672.43 is: 333,521,363.99
Step by Step Solution
- Step 1: Write the proportion equation
439,899,858.11 : 607,068,021.99 = 241,679,672.43 : x - Step 2: Convert to fraction form
439,899,858.11/607,068,021.99 = 241,679,672.43/x - Step 3: Cross multiply
439,899,858.11x = 607,068,021.99 × 241,679,672.43 - Step 4: Simplify right side
439,899,858.11x = 146,716,000,694,540,384 - Step 5: Solve for x
x = 146,716,000,694,540,384/439,899,858.11 - Step 6: Final answer
x = 333,521,363.99
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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.