Finding the Fourth Proportional to 983,230,152.19, 1,473,886,638.84 and 392,844,373.67
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Solution
The fourth proportional to 983,230,152.19, 1,473,886,638.84 and 392,844,373.67 is: 588,883,561.20
Step by Step Solution
- Step 1: Write the proportion equation
983,230,152.19 : 1,473,886,638.84 = 392,844,373.67 : x - Step 2: Convert to fraction form
983,230,152.19/1,473,886,638.84 = 392,844,373.67/x - Step 3: Cross multiply
983,230,152.19x = 1,473,886,638.84 × 392,844,373.67 - Step 4: Simplify right side
983,230,152.19x = 579,008,073,500,858,880 - Step 5: Solve for x
x = 579,008,073,500,858,880/983,230,152.19 - Step 6: Final answer
x = 588,883,561.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.