Finding the Fourth Proportional to 1,614,907,265.70, 2,228,574,010.28 and 872,351,328.46
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Solution
The fourth proportional to 1,614,907,265.70, 2,228,574,010.28 and 872,351,328.46 is: 1,203,845,904.80
Step by Step Solution
- Step 1: Write the proportion equation
1,614,907,265.70 : 2,228,574,010.28 = 872,351,328.46 : x - Step 2: Convert to fraction form
1,614,907,265.70/2,228,574,010.28 = 872,351,328.46/x - Step 3: Cross multiply
1,614,907,265.70x = 2,228,574,010.28 × 872,351,328.46 - Step 4: Simplify right side
1,614,907,265.70x = 1,944,099,498,439,187,968 - Step 5: Solve for x
x = 1,944,099,498,439,187,968/1,614,907,265.70 - Step 6: Final answer
x = 1,203,845,904.80
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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.