Finding the Fourth Proportional to 479,729,991,408.72, 719,594,943,416.19 and 211,118,971,519.98
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Solution
The fourth proportional to 479,729,991,408.72, 719,594,943,416.19 and 211,118,971,519.98 is: 316,678,438,049.90
Step by Step Solution
- Step 1: Write the proportion equation
479,729,991,408.72 : 719,594,943,416.19 = 211,118,971,519.98 : x - Step 2: Convert to fraction form
479,729,991,408.72/719,594,943,416.19 = 211,118,971,519.98/x - Step 3: Cross multiply
479,729,991,408.72x = 719,594,943,416.19 × 211,118,971,519.98 - Step 4: Simplify right side
479,729,991,408.72x = 151,920,144,365,004,215,287,808 - Step 5: Solve for x
x = 151,920,144,365,004,215,287,808/479,729,991,408.72 - Step 6: Final answer
x = 316,678,438,049.90
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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.