Finding the Fourth Proportional to 995,888,715.18, 1,493,838,760.84 and 413,622,961.02
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Solution
The fourth proportional to 995,888,715.18, 1,493,838,760.84 and 413,622,961.02 is: 620,436,803.96
Step by Step Solution
- Step 1: Write the proportion equation
995,888,715.18 : 1,493,838,760.84 = 413,622,961.02 : x - Step 2: Convert to fraction form
995,888,715.18/1,493,838,760.84 = 413,622,961.02/x - Step 3: Cross multiply
995,888,715.18x = 1,493,838,760.84 × 413,622,961.02 - Step 4: Simplify right side
995,888,715.18x = 617,886,011,545,088,384 - Step 5: Solve for x
x = 617,886,011,545,088,384/995,888,715.18 - Step 6: Final answer
x = 620,436,803.96
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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.