Finding the Fourth Proportional to 8,421,049,029.92, 11,620,587,267.04 and 4,609,834,697.12
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Solution
The fourth proportional to 8,421,049,029.92, 11,620,587,267.04 and 4,609,834,697.12 is: 6,361,319,853.88
Step by Step Solution
- Step 1: Write the proportion equation
8,421,049,029.92 : 11,620,587,267.04 = 4,609,834,697.12 : x - Step 2: Convert to fraction form
8,421,049,029.92/11,620,587,267.04 = 4,609,834,697.12/x - Step 3: Cross multiply
8,421,049,029.92x = 11,620,587,267.04 × 4,609,834,697.12 - Step 4: Simplify right side
8,421,049,029.92x = 53,568,986,384,511,868,928 - Step 5: Solve for x
x = 53,568,986,384,511,868,928/8,421,049,029.92 - Step 6: Final answer
x = 6,361,319,853.88
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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.