Finding the Fourth Proportional to 3,208,371,038.28, 4,809,159,946.79 and 1,079,189,822.63
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Solution
The fourth proportional to 3,208,371,038.28, 4,809,159,946.79 and 1,079,189,822.63 is: 1,617,642,226.55
Step by Step Solution
- Step 1: Write the proportion equation
3,208,371,038.28 : 4,809,159,946.79 = 1,079,189,822.63 : x - Step 2: Convert to fraction form
3,208,371,038.28/4,809,159,946.79 = 1,079,189,822.63/x - Step 3: Cross multiply
3,208,371,038.28x = 4,809,159,946.79 × 1,079,189,822.63 - Step 4: Simplify right side
3,208,371,038.28x = 5,189,996,469,946,158,080 - Step 5: Solve for x
x = 5,189,996,469,946,158,080/3,208,371,038.28 - Step 6: Final answer
x = 1,617,642,226.55
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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.