Finding the Fourth Proportional to 1,417,177,272.40, 2,125,765,908.60 and 1,305,255,797.80
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Solution
The fourth proportional to 1,417,177,272.40, 2,125,765,908.60 and 1,305,255,797.80 is: 1,957,883,696.70
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,272.40 : 2,125,765,908.60 = 1,305,255,797.80 : x - Step 2: Convert to fraction form
1,417,177,272.40/2,125,765,908.60 = 1,305,255,797.80/x - Step 3: Cross multiply
1,417,177,272.40x = 2,125,765,908.60 × 1,305,255,797.80 - Step 4: Simplify right side
1,417,177,272.40x = 2,774,668,276,965,734,400 - Step 5: Solve for x
x = 2,774,668,276,965,734,400/1,417,177,272.40 - Step 6: Final answer
x = 1,957,883,696.70
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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.