Finding the Fourth Proportional to 5,310,611,565.29, 7,328,451,835.46 and 2,931,698,422.07
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Solution
The fourth proportional to 5,310,611,565.29, 7,328,451,835.46 and 2,931,698,422.07 is: 4,045,637,760.94
Step by Step Solution
- Step 1: Write the proportion equation
5,310,611,565.29 : 7,328,451,835.46 = 2,931,698,422.07 : x - Step 2: Convert to fraction form
5,310,611,565.29/7,328,451,835.46 = 2,931,698,422.07/x - Step 3: Cross multiply
5,310,611,565.29x = 7,328,451,835.46 × 2,931,698,422.07 - Step 4: Simplify right side
5,310,611,565.29x = 21,484,810,682,204,762,112 - Step 5: Solve for x
x = 21,484,810,682,204,762,112/5,310,611,565.29 - Step 6: Final answer
x = 4,045,637,760.94
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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.