Finding the Fourth Proportional to 1,037,274,651.29, 1,431,443,301.99 and 560,965,009.83
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Solution
The fourth proportional to 1,037,274,651.29, 1,431,443,301.99 and 560,965,009.83 is: 774,134,029.95
Step by Step Solution
- Step 1: Write the proportion equation
1,037,274,651.29 : 1,431,443,301.99 = 560,965,009.83 : x - Step 2: Convert to fraction form
1,037,274,651.29/1,431,443,301.99 = 560,965,009.83/x - Step 3: Cross multiply
1,037,274,651.29x = 1,431,443,301.99 × 560,965,009.83 - Step 4: Simplify right side
1,037,274,651.29x = 802,989,605,964,750,848 - Step 5: Solve for x
x = 802,989,605,964,750,848/1,037,274,651.29 - Step 6: Final answer
x = 774,134,029.95
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1.5x scale
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.