Finding the Fourth Proportional to 199,480,788,113.68, 299,698,536,758.12 and 127,910,524,580.48
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Solution
The fourth proportional to 199,480,788,113.68, 299,698,536,758.12 and 127,910,524,580.48 is: 192,171,874,871.92
Step by Step Solution
- Step 1: Write the proportion equation
199,480,788,113.68 : 299,698,536,758.12 = 127,910,524,580.48 : x - Step 2: Convert to fraction form
199,480,788,113.68/299,698,536,758.12 = 127,910,524,580.48/x - Step 3: Cross multiply
199,480,788,113.68x = 299,698,536,758.12 × 127,910,524,580.48 - Step 4: Simplify right side
199,480,788,113.68x = 38,334,597,052,733,396,615,168 - Step 5: Solve for x
x = 38,334,597,052,733,396,615,168/199,480,788,113.68 - Step 6: Final answer
x = 192,171,874,871.92
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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.