Finding the Fourth Proportional to 5,248,812,549.40, 7,874,352,564.90 and 1,568,689,912.60
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Solution
The fourth proportional to 5,248,812,549.40, 7,874,352,564.90 and 1,568,689,912.60 is: 2,353,373,705.11
Step by Step Solution
- Step 1: Write the proportion equation
5,248,812,549.40 : 7,874,352,564.90 = 1,568,689,912.60 : x - Step 2: Convert to fraction form
5,248,812,549.40/7,874,352,564.90 = 1,568,689,912.60/x - Step 3: Cross multiply
5,248,812,549.40x = 7,874,352,564.90 × 1,568,689,912.60 - Step 4: Simplify right side
5,248,812,549.40x = 12,352,417,436,814,565,376 - Step 5: Solve for x
x = 12,352,417,436,814,565,376/5,248,812,549.40 - Step 6: Final answer
x = 2,353,373,705.11
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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.