Finding the Fourth Proportional to 959,554,215.60, 1,324,235,969.10 and 536,178,153.84
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Solution
The fourth proportional to 959,554,215.60, 1,324,235,969.10 and 536,178,153.84 is: 739,954,434.69
Step by Step Solution
- Step 1: Write the proportion equation
959,554,215.60 : 1,324,235,969.10 = 536,178,153.84 : x - Step 2: Convert to fraction form
959,554,215.60/1,324,235,969.10 = 536,178,153.84/x - Step 3: Cross multiply
959,554,215.60x = 1,324,235,969.10 × 536,178,153.84 - Step 4: Simplify right side
959,554,215.60x = 710,026,397,160,561,152 - Step 5: Solve for x
x = 710,026,397,160,561,152/959,554,215.60 - Step 6: Final answer
x = 739,954,434.69
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1.5x scale
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.