Finding the Fourth Proportional to 466,562,421.20, 699,843,631.80 and 159,752,565.20
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Solution
The fourth proportional to 466,562,421.20, 699,843,631.80 and 159,752,565.20 is: 239,628,847.80
Step by Step Solution
- Step 1: Write the proportion equation
466,562,421.20 : 699,843,631.80 = 159,752,565.20 : x - Step 2: Convert to fraction form
466,562,421.20/699,843,631.80 = 159,752,565.20/x - Step 3: Cross multiply
466,562,421.20x = 699,843,631.80 × 159,752,565.20 - Step 4: Simplify right side
466,562,421.20x = 111,801,815,418,934,272 - Step 5: Solve for x
x = 111,801,815,418,934,272/466,562,421.20 - Step 6: Final answer
x = 239,628,847.80
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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.