Finding the Fourth Proportional to 497,918,554.68, 687,187,858.73 and 283,389,358.69
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Solution
The fourth proportional to 497,918,554.68, 687,187,858.73 and 283,389,358.69 is: 391,111,608.02
Step by Step Solution
- Step 1: Write the proportion equation
497,918,554.68 : 687,187,858.73 = 283,389,358.69 : x - Step 2: Convert to fraction form
497,918,554.68/687,187,858.73 = 283,389,358.69/x - Step 3: Cross multiply
497,918,554.68x = 687,187,858.73 × 283,389,358.69 - Step 4: Simplify right side
497,918,554.68x = 194,741,726,584,491,072 - Step 5: Solve for x
x = 194,741,726,584,491,072/497,918,554.68 - Step 6: Final answer
x = 391,111,608.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.