Finding the Fourth Proportional to 907,369,976.07, 1,361,297,163.56 and 325,163,074.55
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Solution
The fourth proportional to 907,369,976.07, 1,361,297,163.56 and 325,163,074.55 is: 487,831,405.87
Step by Step Solution
- Step 1: Write the proportion equation
907,369,976.07 : 1,361,297,163.56 = 325,163,074.55 : x - Step 2: Convert to fraction form
907,369,976.07/1,361,297,163.56 = 325,163,074.55/x - Step 3: Cross multiply
907,369,976.07x = 1,361,297,163.56 × 325,163,074.55 - Step 4: Simplify right side
907,369,976.07x = 442,643,571,070,931,584 - Step 5: Solve for x
x = 442,643,571,070,931,584/907,369,976.07 - Step 6: Final answer
x = 487,831,405.87
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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.