Finding the Fourth Proportional to 7,729,949,871.66, 11,612,379,211.20 and 4,584,227,733.14
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Solution
The fourth proportional to 7,729,949,871.66, 11,612,379,211.20 and 4,584,227,733.14 is: 6,886,692,890.84
Step by Step Solution
- Step 1: Write the proportion equation
7,729,949,871.66 : 11,612,379,211.20 = 4,584,227,733.14 : x - Step 2: Convert to fraction form
7,729,949,871.66/11,612,379,211.20 = 4,584,227,733.14/x - Step 3: Cross multiply
7,729,949,871.66x = 11,612,379,211.20 × 4,584,227,733.14 - Step 4: Simplify right side
7,729,949,871.66x = 53,233,790,827,721,441,280 - Step 5: Solve for x
x = 53,233,790,827,721,441,280/7,729,949,871.66 - Step 6: Final answer
x = 6,886,692,890.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.