Finding the Fourth Proportional to 1,617,282,347.20, 2,425,923,520.80 and 1,553,792,862.40
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Solution
The fourth proportional to 1,617,282,347.20, 2,425,923,520.80 and 1,553,792,862.40 is: 2,330,689,293.60
Step by Step Solution
- Step 1: Write the proportion equation
1,617,282,347.20 : 2,425,923,520.80 = 1,553,792,862.40 : x - Step 2: Convert to fraction form
1,617,282,347.20/2,425,923,520.80 = 1,553,792,862.40/x - Step 3: Cross multiply
1,617,282,347.20x = 2,425,923,520.80 × 1,553,792,862.40 - Step 4: Simplify right side
1,617,282,347.20x = 3,769,382,651,347,318,272 - Step 5: Solve for x
x = 3,769,382,651,347,318,272/1,617,282,347.20 - Step 6: Final answer
x = 2,330,689,293.60
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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.