Finding the Fourth Proportional to 396,386,909.80, 594,580,364.70 and 396,386,909.80
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Solution
The fourth proportional to 396,386,909.80, 594,580,364.70 and 396,386,909.80 is: 594,580,364.70
Step by Step Solution
- Step 1: Write the proportion equation
396,386,909.80 : 594,580,364.70 = 396,386,909.80 : x - Step 2: Convert to fraction form
396,386,909.80/594,580,364.70 = 396,386,909.80/x - Step 3: Cross multiply
396,386,909.80x = 594,580,364.70 × 396,386,909.80 - Step 4: Simplify right side
396,386,909.80x = 235,683,873,391,190,016 - Step 5: Solve for x
x = 235,683,873,391,190,016/396,386,909.80 - Step 6: Final answer
x = 594,580,364.70
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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.