Finding the Fourth Proportional to 396,493,052.52, 547,169,525.30 and 217,888,044.84
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Solution
The fourth proportional to 396,493,052.52, 547,169,525.30 and 217,888,044.84 is: 300,690,509.72
Step by Step Solution
- Step 1: Write the proportion equation
396,493,052.52 : 547,169,525.30 = 217,888,044.84 : x - Step 2: Convert to fraction form
396,493,052.52/547,169,525.30 = 217,888,044.84/x - Step 3: Cross multiply
396,493,052.52x = 547,169,525.30 × 217,888,044.84 - Step 4: Simplify right side
396,493,052.52x = 119,221,698,063,647,904 - Step 5: Solve for x
x = 119,221,698,063,647,904/396,493,052.52 - Step 6: Final answer
x = 300,690,509.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.