Finding the Fourth Proportional to 1,569,011,527.16, 2,165,334,241.74 and 864,163,368.44
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Solution
The fourth proportional to 1,569,011,527.16, 2,165,334,241.74 and 864,163,368.44 is: 1,192,599,607.94
Step by Step Solution
- Step 1: Write the proportion equation
1,569,011,527.16 : 2,165,334,241.74 = 864,163,368.44 : x - Step 2: Convert to fraction form
1,569,011,527.16/2,165,334,241.74 = 864,163,368.44/x - Step 3: Cross multiply
1,569,011,527.16x = 2,165,334,241.74 × 864,163,368.44 - Step 4: Simplify right side
1,569,011,527.16x = 1,871,202,532,140,511,488 - Step 5: Solve for x
x = 1,871,202,532,140,511,488/1,569,011,527.16 - Step 6: Final answer
x = 1,192,599,607.94
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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.