Finding the Fourth Proportional to 304,777,619.90, 420,628,006.74 and 170,851,708.19
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Solution
The fourth proportional to 304,777,619.90, 420,628,006.74 and 170,851,708.19 is: 235,794,916.59
Step by Step Solution
- Step 1: Write the proportion equation
304,777,619.90 : 420,628,006.74 = 170,851,708.19 : x - Step 2: Convert to fraction form
304,777,619.90/420,628,006.74 = 170,851,708.19/x - Step 3: Cross multiply
304,777,619.90x = 420,628,006.74 × 170,851,708.19 - Step 4: Simplify right side
304,777,619.90x = 71,865,013,463,032,264 - Step 5: Solve for x
x = 71,865,013,463,032,264/304,777,619.90 - Step 6: Final answer
x = 235,794,916.59
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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.