Finding the Fourth Proportional to 1,657,599,324.80, 2,487,294,782.40 and 737,617,654.40
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Solution
The fourth proportional to 1,657,599,324.80, 2,487,294,782.40 and 737,617,654.40 is: 1,106,825,102.87
Step by Step Solution
- Step 1: Write the proportion equation
1,657,599,324.80 : 2,487,294,782.40 = 737,617,654.40 : x - Step 2: Convert to fraction form
1,657,599,324.80/2,487,294,782.40 = 737,617,654.40/x - Step 3: Cross multiply
1,657,599,324.80x = 2,487,294,782.40 × 737,617,654.40 - Step 4: Simplify right side
1,657,599,324.80x = 1,834,672,543,195,246,336 - Step 5: Solve for x
x = 1,834,672,543,195,246,336/1,657,599,324.80 - Step 6: Final answer
x = 1,106,825,102.87
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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.