Finding the Fourth Proportional to 2,331,185,729.28, 3,217,219,692.48 and 1,327,645,728.96
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Solution
The fourth proportional to 2,331,185,729.28, 3,217,219,692.48 and 1,327,645,728.96 is: 1,832,255,547.12
Step by Step Solution
- Step 1: Write the proportion equation
2,331,185,729.28 : 3,217,219,692.48 = 1,327,645,728.96 : x - Step 2: Convert to fraction form
2,331,185,729.28/3,217,219,692.48 = 1,327,645,728.96/x - Step 3: Cross multiply
2,331,185,729.28x = 3,217,219,692.48 × 1,327,645,728.96 - Step 4: Simplify right side
2,331,185,729.28x = 4,271,327,983,847,076,864 - Step 5: Solve for x
x = 4,271,327,983,847,076,864/2,331,185,729.28 - Step 6: Final answer
x = 1,832,255,547.12
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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.