Finding the Fourth Proportional to 1,133,279,877.88, 1,700,413,845.54 and 396,878,049.28
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Solution
The fourth proportional to 1,133,279,877.88, 1,700,413,845.54 and 396,878,049.28 is: 595,490,084.28
Step by Step Solution
- Step 1: Write the proportion equation
1,133,279,877.88 : 1,700,413,845.54 = 396,878,049.28 : x - Step 2: Convert to fraction form
1,133,279,877.88/1,700,413,845.54 = 396,878,049.28/x - Step 3: Cross multiply
1,133,279,877.88x = 1,700,413,845.54 × 396,878,049.28 - Step 4: Simplify right side
1,133,279,877.88x = 674,856,929,986,618,368 - Step 5: Solve for x
x = 674,856,929,986,618,368/1,133,279,877.88 - Step 6: Final answer
x = 595,490,084.28
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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.