Finding the Fourth Proportional to 1,569,011,522.16, 2,165,334,234.84 and 864,163,363.44
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Solution
The fourth proportional to 1,569,011,522.16, 2,165,334,234.84 and 864,163,363.44 is: 1,192,599,601.04
Step by Step Solution
- Step 1: Write the proportion equation
1,569,011,522.16 : 2,165,334,234.84 = 864,163,363.44 : x - Step 2: Convert to fraction form
1,569,011,522.16/2,165,334,234.84 = 864,163,363.44/x - Step 3: Cross multiply
1,569,011,522.16x = 2,165,334,234.84 × 864,163,363.44 - Step 4: Simplify right side
1,569,011,522.16x = 1,871,202,515,351,113,472 - Step 5: Solve for x
x = 1,871,202,515,351,113,472/1,569,011,522.16 - Step 6: Final answer
x = 1,192,599,601.04
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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.