Finding the Fourth Proportional to 8,428,171,807.36, 11,630,331,647.04 and 4,617,689,536.36
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Solution
The fourth proportional to 8,428,171,807.36, 11,630,331,647.04 and 4,617,689,536.36 is: 6,372,112,716.55
Step by Step Solution
- Step 1: Write the proportion equation
8,428,171,807.36 : 11,630,331,647.04 = 4,617,689,536.36 : x - Step 2: Convert to fraction form
8,428,171,807.36/11,630,331,647.04 = 4,617,689,536.36/x - Step 3: Cross multiply
8,428,171,807.36x = 11,630,331,647.04 × 4,617,689,536.36 - Step 4: Simplify right side
8,428,171,807.36x = 53,705,260,750,933,172,224 - Step 5: Solve for x
x = 53,705,260,750,933,172,224/8,428,171,807.36 - Step 6: Final answer
x = 6,372,112,716.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.