Finding the Fourth Proportional to 4,284,409,461.84, 6,423,680,293.92 and 2,181,815,846.64
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Solution
The fourth proportional to 4,284,409,461.84, 6,423,680,293.92 and 2,181,815,846.64 is: 3,271,229,695.45
Step by Step Solution
- Step 1: Write the proportion equation
4,284,409,461.84 : 6,423,680,293.92 = 2,181,815,846.64 : x - Step 2: Convert to fraction form
4,284,409,461.84/6,423,680,293.92 = 2,181,815,846.64/x - Step 3: Cross multiply
4,284,409,461.84x = 6,423,680,293.92 × 2,181,815,846.64 - Step 4: Simplify right side
4,284,409,461.84x = 14,015,287,459,023,749,120 - Step 5: Solve for x
x = 14,015,287,459,023,749,120/4,284,409,461.84 - Step 6: Final answer
x = 3,271,229,695.45
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1.5x scale
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.