Finding the Fourth Proportional to 664,358,432.80, 996,532,400.40 and 173,070,752.80
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Solution
The fourth proportional to 664,358,432.80, 996,532,400.40 and 173,070,752.80 is: 259,604,761.85
Step by Step Solution
- Step 1: Write the proportion equation
664,358,432.80 : 996,532,400.40 = 173,070,752.80 : x - Step 2: Convert to fraction form
664,358,432.80/996,532,400.40 = 173,070,752.80/x - Step 3: Cross multiply
664,358,432.80x = 996,532,400.40 × 173,070,752.80 - Step 4: Simplify right side
664,358,432.80x = 172,470,612,726,819,040 - Step 5: Solve for x
x = 172,470,612,726,819,040/664,358,432.80 - Step 6: Final answer
x = 259,604,761.85
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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.