Finding the Fourth Proportional to 1,728,174,503.84, 2,384,886,750.77 and 935,220,272.76
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Solution
The fourth proportional to 1,728,174,503.84, 2,384,886,750.77 and 935,220,272.76 is: 1,290,607,188.46
Step by Step Solution
- Step 1: Write the proportion equation
1,728,174,503.84 : 2,384,886,750.77 = 935,220,272.76 : x - Step 2: Convert to fraction form
1,728,174,503.84/2,384,886,750.77 = 935,220,272.76/x - Step 3: Cross multiply
1,728,174,503.84x = 2,384,886,750.77 × 935,220,272.76 - Step 4: Simplify right side
1,728,174,503.84x = 2,230,394,437,559,261,184 - Step 5: Solve for x
x = 2,230,394,437,559,261,184/1,728,174,503.84 - Step 6: Final answer
x = 1,290,607,188.46
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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.