Finding the Fourth Proportional to 1,981,734,133.37, 2,972,533,875.95 and 507,888,414.41
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Solution
The fourth proportional to 1,981,734,133.37, 2,972,533,875.95 and 507,888,414.41 is: 761,815,367.46
Step by Step Solution
- Step 1: Write the proportion equation
1,981,734,133.37 : 2,972,533,875.95 = 507,888,414.41 : x - Step 2: Convert to fraction form
1,981,734,133.37/2,972,533,875.95 = 507,888,414.41/x - Step 3: Cross multiply
1,981,734,133.37x = 2,972,533,875.95 × 507,888,414.41 - Step 4: Simplify right side
1,981,734,133.37x = 1,509,715,517,022,663,936 - Step 5: Solve for x
x = 1,509,715,517,022,663,936/1,981,734,133.37 - Step 6: Final answer
x = 761,815,367.46
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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.