Finding the Fourth Proportional to 1,329,737,963.96, 1,835,220,675.84 and 765,211,240.64
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Solution
The fourth proportional to 1,329,737,963.96, 1,835,220,675.84 and 765,211,240.64 is: 1,056,096,410.17
Step by Step Solution
- Step 1: Write the proportion equation
1,329,737,963.96 : 1,835,220,675.84 = 765,211,240.64 : x - Step 2: Convert to fraction form
1,329,737,963.96/1,835,220,675.84 = 765,211,240.64/x - Step 3: Cross multiply
1,329,737,963.96x = 1,835,220,675.84 × 765,211,240.64 - Step 4: Simplify right side
1,329,737,963.96x = 1,404,331,490,207,705,600 - Step 5: Solve for x
x = 1,404,331,490,207,705,600/1,329,737,963.96 - Step 6: Final answer
x = 1,056,096,410.17
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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.