Finding the Fourth Proportional to 702,042,204.24, 968,848,695.90 and 388,776,418.26
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Solution
The fourth proportional to 702,042,204.24, 968,848,695.90 and 388,776,418.26 is: 536,528,322.02
Step by Step Solution
- Step 1: Write the proportion equation
702,042,204.24 : 968,848,695.90 = 388,776,418.26 : x - Step 2: Convert to fraction form
702,042,204.24/968,848,695.90 = 388,776,418.26/x - Step 3: Cross multiply
702,042,204.24x = 968,848,695.90 × 388,776,418.26 - Step 4: Simplify right side
702,042,204.24x = 376,665,525,827,873,920 - Step 5: Solve for x
x = 376,665,525,827,873,920/702,042,204.24 - Step 6: Final answer
x = 536,528,322.02
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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.