Finding the Fourth Proportional to 79,380,977,842.96, 119,094,701,925.09 and 25,597,031,758.18
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Solution
The fourth proportional to 79,380,977,842.96, 119,094,701,925.09 and 25,597,031,758.18 is: 38,403,040,000.82
Step by Step Solution
- Step 1: Write the proportion equation
79,380,977,842.96 : 119,094,701,925.09 = 25,597,031,758.18 : x - Step 2: Convert to fraction form
79,380,977,842.96/119,094,701,925.09 = 25,597,031,758.18/x - Step 3: Cross multiply
79,380,977,842.96x = 119,094,701,925.09 × 25,597,031,758.18 - Step 4: Simplify right side
79,380,977,842.96x = 3,048,470,867,407,509,389,312 - Step 5: Solve for x
x = 3,048,470,867,407,509,389,312/79,380,977,842.96 - Step 6: Final answer
x = 38,403,040,000.82
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1.5x scale
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.