Finding the Fourth Proportional to 608,360,673.26, 839,537,952.28 and 329,902,122.98
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Solution
The fourth proportional to 608,360,673.26, 839,537,952.28 and 329,902,122.98 is: 455,265,050.74
Step by Step Solution
- Step 1: Write the proportion equation
608,360,673.26 : 839,537,952.28 = 329,902,122.98 : x - Step 2: Convert to fraction form
608,360,673.26/839,537,952.28 = 329,902,122.98/x - Step 3: Cross multiply
608,360,673.26x = 839,537,952.28 × 329,902,122.98 - Step 4: Simplify right side
608,360,673.26x = 276,965,352,780,728,032 - Step 5: Solve for x
x = 276,965,352,780,728,032/608,360,673.26 - Step 6: Final answer
x = 455,265,050.74
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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.