Finding the Fourth Proportional to 426,425,380.81, 588,497,476.80 and 235,682,294.94
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Solution
The fourth proportional to 426,425,380.81, 588,497,476.80 and 235,682,294.94 is: 325,258,397.23
Step by Step Solution
- Step 1: Write the proportion equation
426,425,380.81 : 588,497,476.80 = 235,682,294.94 : x - Step 2: Convert to fraction form
426,425,380.81/588,497,476.80 = 235,682,294.94/x - Step 3: Cross multiply
426,425,380.81x = 588,497,476.80 × 235,682,294.94 - Step 4: Simplify right side
426,425,380.81x = 138,698,435,898,623,392 - Step 5: Solve for x
x = 138,698,435,898,623,392/426,425,380.81 - Step 6: Final answer
x = 325,258,397.23
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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.