Finding the Fourth Proportional to 1,449,365,601.13, 2,177,321,102.39 and 859,542,700.16
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Solution
The fourth proportional to 1,449,365,601.13, 2,177,321,102.39 and 859,542,700.16 is: 1,291,254,917.33
Step by Step Solution
- Step 1: Write the proportion equation
1,449,365,601.13 : 2,177,321,102.39 = 859,542,700.16 : x - Step 2: Convert to fraction form
1,449,365,601.13/2,177,321,102.39 = 859,542,700.16/x - Step 3: Cross multiply
1,449,365,601.13x = 2,177,321,102.39 × 859,542,700.16 - Step 4: Simplify right side
1,449,365,601.13x = 1,871,500,459,471,154,432 - Step 5: Solve for x
x = 1,871,500,459,471,154,432/1,449,365,601.13 - Step 6: Final answer
x = 1,291,254,917.33
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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.