Finding the Fourth Proportional to 338,594,195.75, 507,769,419.41 and 117,205,381.31
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Solution
The fourth proportional to 338,594,195.75, 507,769,419.41 and 117,205,381.31 is: 175,765,884.84
Step by Step Solution
- Step 1: Write the proportion equation
338,594,195.75 : 507,769,419.41 = 117,205,381.31 : x - Step 2: Convert to fraction form
338,594,195.75/507,769,419.41 = 117,205,381.31/x - Step 3: Cross multiply
338,594,195.75x = 507,769,419.41 × 117,205,381.31 - Step 4: Simplify right side
338,594,195.75x = 59,513,308,418,920,336 - Step 5: Solve for x
x = 59,513,308,418,920,336/338,594,195.75 - Step 6: Final answer
x = 175,765,884.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.