Finding the Fourth Proportional to 1,449,365,601.50, 2,177,321,102.95 and 859,542,700.53
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Solution
The fourth proportional to 1,449,365,601.50, 2,177,321,102.95 and 859,542,700.53 is: 1,291,254,917.89
Step by Step Solution
- Step 1: Write the proportion equation
1,449,365,601.50 : 2,177,321,102.95 = 859,542,700.53 : x - Step 2: Convert to fraction form
1,449,365,601.50/2,177,321,102.95 = 859,542,700.53/x - Step 3: Cross multiply
1,449,365,601.50x = 2,177,321,102.95 × 859,542,700.53 - Step 4: Simplify right side
1,449,365,601.50x = 1,871,500,460,750,600,960 - Step 5: Solve for x
x = 1,871,500,460,750,600,960/1,449,365,601.50 - Step 6: Final answer
x = 1,291,254,917.89
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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.