Finding the Fourth Proportional to 8,355,588,121,679.20, 12,539,107,255,413 and 2,916,214,969,286.40
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Solution
The fourth proportional to 8,355,588,121,679.20, 12,539,107,255,413 and 2,916,214,969,286.40 is: 4,376,320,582,969.85
Step by Step Solution
- Step 1: Write the proportion equation
8,355,588,121,679.20 : 12,539,107,255,413 = 2,916,214,969,286.40 : x - Step 2: Convert to fraction form
8,355,588,121,679.20/12,539,107,255,413 = 2,916,214,969,286.40/x - Step 3: Cross multiply
8,355,588,121,679.20x = 12,539,107,255,413 × 2,916,214,969,286.40 - Step 4: Simplify right side
8,355,588,121,679.20x = 36,566,732,279,723,096,130,191,360 - Step 5: Solve for x
x = 36,566,732,279,723,096,130,191,360/8,355,588,121,679.20 - Step 6: Final answer
x = 4,376,320,582,969.85
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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.