Finding the Fourth Proportional to 531,920,618,489.45, 734,051,161,399.05 and 288,050,507,926.99
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Solution
The fourth proportional to 531,920,618,489.45, 734,051,161,399.05 and 288,050,507,926.99 is: 397,510,084,278.84
Step by Step Solution
- Step 1: Write the proportion equation
531,920,618,489.45 : 734,051,161,399.05 = 288,050,507,926.99 : x - Step 2: Convert to fraction form
531,920,618,489.45/734,051,161,399.05 = 288,050,507,926.99/x - Step 3: Cross multiply
531,920,618,489.45x = 734,051,161,399.05 × 288,050,507,926.99 - Step 4: Simplify right side
531,920,618,489.45x = 211,443,809,885,393,260,642,304 - Step 5: Solve for x
x = 211,443,809,885,393,260,642,304/531,920,618,489.45 - Step 6: Final answer
x = 397,510,084,278.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.