Finding the Fourth Proportional to 611,397,768.12, 917,238,330.90 and 174,704,139.96
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Solution
The fourth proportional to 611,397,768.12, 917,238,330.90 and 174,704,139.96 is: 262,096,693.99
Step by Step Solution
- Step 1: Write the proportion equation
611,397,768.12 : 917,238,330.90 = 174,704,139.96 : x - Step 2: Convert to fraction form
611,397,768.12/917,238,330.90 = 174,704,139.96/x - Step 3: Cross multiply
611,397,768.12x = 917,238,330.90 × 174,704,139.96 - Step 4: Simplify right side
611,397,768.12x = 160,245,333,738,230,400 - Step 5: Solve for x
x = 160,245,333,738,230,400/611,397,768.12 - Step 6: Final answer
x = 262,096,693.99
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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.