Finding the Fourth Proportional to 491,335,854.68, 737,010,297.90 and 163,811,472.80
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Solution
The fourth proportional to 491,335,854.68, 737,010,297.90 and 163,811,472.80 is: 245,719,381.60
Step by Step Solution
- Step 1: Write the proportion equation
491,335,854.68 : 737,010,297.90 = 163,811,472.80 : x - Step 2: Convert to fraction form
491,335,854.68/737,010,297.90 = 163,811,472.80/x - Step 3: Cross multiply
491,335,854.68x = 737,010,297.90 × 163,811,472.80 - Step 4: Simplify right side
491,335,854.68x = 120,730,742,367,765,760 - Step 5: Solve for x
x = 120,730,742,367,765,760/491,335,854.68 - Step 6: Final answer
x = 245,719,381.60
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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.