Finding the Fourth Proportional to 449,473,670.60, 673,936,790.70 and 176,517,408.20
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Solution
The fourth proportional to 449,473,670.60, 673,936,790.70 and 176,517,408.20 is: 264,668,618.80
Step by Step Solution
- Step 1: Write the proportion equation
449,473,670.60 : 673,936,790.70 = 176,517,408.20 : x - Step 2: Convert to fraction form
449,473,670.60/673,936,790.70 = 176,517,408.20/x - Step 3: Cross multiply
449,473,670.60x = 673,936,790.70 × 176,517,408.20 - Step 4: Simplify right side
449,473,670.60x = 118,961,575,584,989,872 - Step 5: Solve for x
x = 118,961,575,584,989,872/449,473,670.60 - Step 6: Final answer
x = 264,668,618.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.