Finding the Fourth Proportional to 1,037,357,015.29, 1,431,586,826.11 and 567,447,582.67
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Solution
The fourth proportional to 1,037,357,015.29, 1,431,586,826.11 and 567,447,582.67 is: 783,096,341.84
Step by Step Solution
- Step 1: Write the proportion equation
1,037,357,015.29 : 1,431,586,826.11 = 567,447,582.67 : x - Step 2: Convert to fraction form
1,037,357,015.29/1,431,586,826.11 = 567,447,582.67/x - Step 3: Cross multiply
1,037,357,015.29x = 1,431,586,826.11 × 567,447,582.67 - Step 4: Simplify right side
1,037,357,015.29x = 812,350,483,858,337,024 - Step 5: Solve for x
x = 812,350,483,858,337,024/1,037,357,015.29 - Step 6: Final answer
x = 783,096,341.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.