Finding the Fourth Proportional to 1,037,274,670.84, 1,431,443,328.95 and 560,965,029.36
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Solution
The fourth proportional to 1,037,274,670.84, 1,431,443,328.95 and 560,965,029.36 is: 774,134,056.89
Step by Step Solution
- Step 1: Write the proportion equation
1,037,274,670.84 : 1,431,443,328.95 = 560,965,029.36 : x - Step 2: Convert to fraction form
1,037,274,670.84/1,431,443,328.95 = 560,965,029.36/x - Step 3: Cross multiply
1,037,274,670.84x = 1,431,443,328.95 × 560,965,029.36 - Step 4: Simplify right side
1,037,274,670.84x = 802,989,649,051,612,928 - Step 5: Solve for x
x = 802,989,649,051,612,928/1,037,274,670.84 - Step 6: Final answer
x = 774,134,056.89
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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.