Finding the Fourth Proportional to 1,272,737,762,351.20, 1,758,675,595,244 and 906,295,781,759.16
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Solution
The fourth proportional to 1,272,737,762,351.20, 1,758,675,595,244 and 906,295,781,759.16 is: 1,252,324,179,105.01
Step by Step Solution
- Step 1: Write the proportion equation
1,272,737,762,351.20 : 1,758,675,595,244 = 906,295,781,759.16 : x - Step 2: Convert to fraction form
1,272,737,762,351.20/1,758,675,595,244 = 906,295,781,759.16/x - Step 3: Cross multiply
1,272,737,762,351.20x = 1,758,675,595,244 × 906,295,781,759.16 - Step 4: Simplify right side
1,272,737,762,351.20x = 1,593,880,273,452,417,073,283,072 - Step 5: Solve for x
x = 1,593,880,273,452,417,073,283,072/1,272,737,762,351.20 - Step 6: Final answer
x = 1,252,324,179,105.01
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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.