Finding the Fourth Proportional to 426,259,732.30, 588,232,221.42 and 238,090,703.74
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Solution
The fourth proportional to 426,259,732.30, 588,232,221.42 and 238,090,703.74 is: 328,561,702.99
Step by Step Solution
- Step 1: Write the proportion equation
426,259,732.30 : 588,232,221.42 = 238,090,703.74 : x - Step 2: Convert to fraction form
426,259,732.30/588,232,221.42 = 238,090,703.74/x - Step 3: Cross multiply
426,259,732.30x = 588,232,221.42 × 238,090,703.74 - Step 4: Simplify right side
426,259,732.30x = 140,052,623,559,853,584 - Step 5: Solve for x
x = 140,052,623,559,853,584/426,259,732.30 - Step 6: Final answer
x = 328,561,702.99
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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.