Finding the Fourth Proportional to 696,805,129,594.06, 961,463,428,243.84 and 388,148,807,470.70
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Solution
The fourth proportional to 696,805,129,594.06, 961,463,428,243.84 and 388,148,807,470.70 is: 535,574,247,734.01
Step by Step Solution
- Step 1: Write the proportion equation
696,805,129,594.06 : 961,463,428,243.84 = 388,148,807,470.70 : x - Step 2: Convert to fraction form
696,805,129,594.06/961,463,428,243.84 = 388,148,807,470.70/x - Step 3: Cross multiply
696,805,129,594.06x = 961,463,428,243.84 × 388,148,807,470.70 - Step 4: Simplify right side
696,805,129,594.06x = 373,190,883,099,537,410,359,296 - Step 5: Solve for x
x = 373,190,883,099,537,410,359,296/696,805,129,594.06 - Step 6: Final answer
x = 535,574,247,734.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.