Finding the Fourth Proportional to 8,172,351,863,516.80, 12,258,539,593,362 and 3,337,353,506,994.20
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Solution
The fourth proportional to 8,172,351,863,516.80, 12,258,539,593,362 and 3,337,353,506,994.20 is: 5,006,035,078,490.70
Step by Step Solution
- Step 1: Write the proportion equation
8,172,351,863,516.80 : 12,258,539,593,362 = 3,337,353,506,994.20 : x - Step 2: Convert to fraction form
8,172,351,863,516.80/12,258,539,593,362 = 3,337,353,506,994.20/x - Step 3: Cross multiply
8,172,351,863,516.80x = 12,258,539,593,362 × 3,337,353,506,994.20 - Step 4: Simplify right side
8,172,351,863,516.80x = 40,911,080,102,533,931,649,204,224 - Step 5: Solve for x
x = 40,911,080,102,533,931,649,204,224/8,172,351,863,516.80 - Step 6: Final answer
x = 5,006,035,078,490.70
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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.