Finding the Fourth Proportional to 559,514,110.47, 772,131,872.94 and 305,201,009.19
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Solution
The fourth proportional to 559,514,110.47, 772,131,872.94 and 305,201,009.19 is: 421,178,702.09
Step by Step Solution
- Step 1: Write the proportion equation
559,514,110.47 : 772,131,872.94 = 305,201,009.19 : x - Step 2: Convert to fraction form
559,514,110.47/772,131,872.94 = 305,201,009.19/x - Step 3: Cross multiply
559,514,110.47x = 772,131,872.94 × 305,201,009.19 - Step 4: Simplify right side
559,514,110.47x = 235,655,426,849,052,864 - Step 5: Solve for x
x = 235,655,426,849,052,864/559,514,110.47 - Step 6: Final answer
x = 421,178,702.09
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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.