Finding the Fourth Proportional to 932,496,543.45, 1,398,366,901.58 and 318,764,857.05
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Solution
The fourth proportional to 932,496,543.45, 1,398,366,901.58 and 318,764,857.05 is: 478,018,099.49
Step by Step Solution
- Step 1: Write the proportion equation
932,496,543.45 : 1,398,366,901.58 = 318,764,857.05 : x - Step 2: Convert to fraction form
932,496,543.45/1,398,366,901.58 = 318,764,857.05/x - Step 3: Cross multiply
932,496,543.45x = 1,398,366,901.58 × 318,764,857.05 - Step 4: Simplify right side
932,496,543.45x = 445,750,225,484,006,336 - Step 5: Solve for x
x = 445,750,225,484,006,336/932,496,543.45 - Step 6: Final answer
x = 478,018,099.49
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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.