Finding the Fourth Proportional to 559,514,109.97, 772,131,872.24 and 305,201,008.68
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Solution
The fourth proportional to 559,514,109.97, 772,131,872.24 and 305,201,008.68 is: 421,178,701.38
Step by Step Solution
- Step 1: Write the proportion equation
559,514,109.97 : 772,131,872.24 = 305,201,008.68 : x - Step 2: Convert to fraction form
559,514,109.97/772,131,872.24 = 305,201,008.68/x - Step 3: Cross multiply
559,514,109.97x = 772,131,872.24 × 305,201,008.68 - Step 4: Simplify right side
559,514,109.97x = 235,655,426,241,624,896 - Step 5: Solve for x
x = 235,655,426,241,624,896/559,514,109.97 - Step 6: Final answer
x = 421,178,701.38
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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.