Finding the Fourth Proportional to 1,020,194,477.70, 1,528,024,234.95 and 884,145,581.70
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Solution
The fourth proportional to 1,020,194,477.70, 1,528,024,234.95 and 884,145,581.70 is: 1,324,253,272.87
Step by Step Solution
- Step 1: Write the proportion equation
1,020,194,477.70 : 1,528,024,234.95 = 884,145,581.70 : x - Step 2: Convert to fraction form
1,020,194,477.70/1,528,024,234.95 = 884,145,581.70/x - Step 3: Cross multiply
1,020,194,477.70x = 1,528,024,234.95 × 884,145,581.70 - Step 4: Simplify right side
1,020,194,477.70x = 1,350,995,876,061,565,440 - Step 5: Solve for x
x = 1,350,995,876,061,565,440/1,020,194,477.70 - Step 6: Final answer
x = 1,324,253,272.87
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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.