Finding the Fourth Proportional to 664,392,023.80, 996,289,437.30 and 255,312,215.80
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Solution
The fourth proportional to 664,392,023.80, 996,289,437.30 and 255,312,215.80 is: 382,853,578.46
Step by Step Solution
- Step 1: Write the proportion equation
664,392,023.80 : 996,289,437.30 = 255,312,215.80 : x - Step 2: Convert to fraction form
664,392,023.80/996,289,437.30 = 255,312,215.80/x - Step 3: Cross multiply
664,392,023.80x = 996,289,437.30 × 255,312,215.80 - Step 4: Simplify right side
664,392,023.80x = 254,364,863,815,198,176 - Step 5: Solve for x
x = 254,364,863,815,198,176/664,392,023.80 - Step 6: Final answer
x = 382,853,578.46
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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.