Finding the Fourth Proportional to 18,638,736,790.99, 27,958,209,704.58 and 6,217,033,261.63
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Solution
The fourth proportional to 18,638,736,790.99, 27,958,209,704.58 and 6,217,033,261.63 is: 9,325,584,754.91
Step by Step Solution
- Step 1: Write the proportion equation
18,638,736,790.99 : 27,958,209,704.58 = 6,217,033,261.63 : x - Step 2: Convert to fraction form
18,638,736,790.99/27,958,209,704.58 = 6,217,033,261.63/x - Step 3: Cross multiply
18,638,736,790.99x = 27,958,209,704.58 × 6,217,033,261.63 - Step 4: Simplify right side
18,638,736,790.99x = 173,817,119,668,829,650,944 - Step 5: Solve for x
x = 173,817,119,668,829,650,944/18,638,736,790.99 - Step 6: Final answer
x = 9,325,584,754.91
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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.