Finding the Fourth Proportional to 43,748,310,611.70, 65,624,257,507.95 and 12,729,162,323.70
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Solution
The fourth proportional to 43,748,310,611.70, 65,624,257,507.95 and 12,729,162,323.70 is: 19,094,264,772.99
Step by Step Solution
- Step 1: Write the proportion equation
43,748,310,611.70 : 65,624,257,507.95 = 12,729,162,323.70 : x - Step 2: Convert to fraction form
43,748,310,611.70/65,624,257,507.95 = 12,729,162,323.70/x - Step 3: Cross multiply
43,748,310,611.70x = 65,624,257,507.95 × 12,729,162,323.70 - Step 4: Simplify right side
43,748,310,611.70x = 835,341,826,190,983,954,432 - Step 5: Solve for x
x = 835,341,826,190,983,954,432/43,748,310,611.70 - Step 6: Final answer
x = 19,094,264,772.99
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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.