Finding the Fourth Proportional to 449,326,423.40, 673,989,635.10 and 372,735,933.80
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Solution
The fourth proportional to 449,326,423.40, 673,989,635.10 and 372,735,933.80 is: 559,103,900.70
Step by Step Solution
- Step 1: Write the proportion equation
449,326,423.40 : 673,989,635.10 = 372,735,933.80 : x - Step 2: Convert to fraction form
449,326,423.40/673,989,635.10 = 372,735,933.80/x - Step 3: Cross multiply
449,326,423.40x = 673,989,635.10 × 372,735,933.80 - Step 4: Simplify right side
449,326,423.40x = 251,220,156,010,519,776 - Step 5: Solve for x
x = 251,220,156,010,519,776/449,326,423.40 - Step 6: Final answer
x = 559,103,900.70
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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.