Finding the Fourth Proportional to 6,259,576,236.64, 8,638,409,601.36 and 3,440,132,928.16
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Solution
The fourth proportional to 6,259,576,236.64, 8,638,409,601.36 and 3,440,132,928.16 is: 4,747,490,276.20
Step by Step Solution
- Step 1: Write the proportion equation
6,259,576,236.64 : 8,638,409,601.36 = 3,440,132,928.16 : x - Step 2: Convert to fraction form
6,259,576,236.64/8,638,409,601.36 = 3,440,132,928.16/x - Step 3: Cross multiply
6,259,576,236.64x = 8,638,409,601.36 × 3,440,132,928.16 - Step 4: Simplify right side
6,259,576,236.64x = 29,717,277,316,572,037,120 - Step 5: Solve for x
x = 29,717,277,316,572,037,120/6,259,576,236.64 - Step 6: Final answer
x = 4,747,490,276.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.