Finding the Fourth Proportional to 1,020,194,448.70, 1,528,024,191.45 and 884,145,552.70
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Solution
The fourth proportional to 1,020,194,448.70, 1,528,024,191.45 and 884,145,552.70 is: 1,324,253,229.38
Step by Step Solution
- Step 1: Write the proportion equation
1,020,194,448.70 : 1,528,024,191.45 = 884,145,552.70 : x - Step 2: Convert to fraction form
1,020,194,448.70/1,528,024,191.45 = 884,145,552.70/x - Step 3: Cross multiply
1,020,194,448.70x = 1,528,024,191.45 × 884,145,552.70 - Step 4: Simplify right side
1,020,194,448.70x = 1,350,995,793,288,530,944 - Step 5: Solve for x
x = 1,350,995,793,288,530,944/1,020,194,448.70 - Step 6: Final answer
x = 1,324,253,229.38
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1.5x scale
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.