Finding the Fourth Proportional to 1,511,623,950.10, 2,086,935,880.57 and 1,343,896,936.43
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Solution
The fourth proportional to 1,511,623,950.10, 2,086,935,880.57 and 1,343,896,936.43 is: 1,855,373,313.07
Step by Step Solution
- Step 1: Write the proportion equation
1,511,623,950.10 : 2,086,935,880.57 = 1,343,896,936.43 : x - Step 2: Convert to fraction form
1,511,623,950.10/2,086,935,880.57 = 1,343,896,936.43/x - Step 3: Cross multiply
1,511,623,950.10x = 2,086,935,880.57 × 1,343,896,936.43 - Step 4: Simplify right side
1,511,623,950.10x = 2,804,626,736,410,073,088 - Step 5: Solve for x
x = 2,804,626,736,410,073,088/1,511,623,950.10 - Step 6: Final answer
x = 1,855,373,313.07
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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.