Finding the Fourth Proportional to 354,423,114,656.76, 531,636,034,452.12 and 85,811,647,262.88
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Solution
The fourth proportional to 354,423,114,656.76, 531,636,034,452.12 and 85,811,647,262.88 is: 128,717,800,769.92
Step by Step Solution
- Step 1: Write the proportion equation
354,423,114,656.76 : 531,636,034,452.12 = 85,811,647,262.88 : x - Step 2: Convert to fraction form
354,423,114,656.76/531,636,034,452.12 = 85,811,647,262.88/x - Step 3: Cross multiply
354,423,114,656.76x = 531,636,034,452.12 × 85,811,647,262.88 - Step 4: Simplify right side
354,423,114,656.76x = 45,620,563,860,641,646,903,296 - Step 5: Solve for x
x = 45,620,563,860,641,646,903,296/354,423,114,656.76 - Step 6: Final answer
x = 128,717,800,769.92
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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.