Finding the Fourth Proportional to 8,172,351,863,508.80, 12,258,539,593,350 and 3,337,353,506,985.60
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Solution
The fourth proportional to 8,172,351,863,508.80, 12,258,539,593,350 and 3,337,353,506,985.60 is: 5,006,035,078,477.80
Step by Step Solution
- Step 1: Write the proportion equation
8,172,351,863,508.80 : 12,258,539,593,350 = 3,337,353,506,985.60 : x - Step 2: Convert to fraction form
8,172,351,863,508.80/12,258,539,593,350 = 3,337,353,506,985.60/x - Step 3: Cross multiply
8,172,351,863,508.80x = 12,258,539,593,350 × 3,337,353,506,985.60 - Step 4: Simplify right side
8,172,351,863,508.80x = 40,911,080,102,388,452,516,954,112 - Step 5: Solve for x
x = 40,911,080,102,388,452,516,954,112/8,172,351,863,508.80 - Step 6: Final answer
x = 5,006,035,078,477.80
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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.