Finding the Fourth Proportional to 1,554,957,114.70, 2,332,435,672.05 and 973,826,381.20
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Solution
The fourth proportional to 1,554,957,114.70, 2,332,435,672.05 and 973,826,381.20 is: 1,460,739,571.80
Step by Step Solution
- Step 1: Write the proportion equation
1,554,957,114.70 : 2,332,435,672.05 = 973,826,381.20 : x - Step 2: Convert to fraction form
1,554,957,114.70/2,332,435,672.05 = 973,826,381.20/x - Step 3: Cross multiply
1,554,957,114.70x = 2,332,435,672.05 × 973,826,381.20 - Step 4: Simplify right side
1,554,957,114.70x = 2,271,387,389,894,241,792 - Step 5: Solve for x
x = 2,271,387,389,894,241,792/1,554,957,114.70 - Step 6: Final answer
x = 1,460,739,571.80
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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.