Finding the Fourth Proportional to 4,485,889,534.80, 6,728,834,302.20 and 2,550,971,902.80
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Solution
The fourth proportional to 4,485,889,534.80, 6,728,834,302.20 and 2,550,971,902.80 is: 3,826,457,854.20
Step by Step Solution
- Step 1: Write the proportion equation
4,485,889,534.80 : 6,728,834,302.20 = 2,550,971,902.80 : x - Step 2: Convert to fraction form
4,485,889,534.80/6,728,834,302.20 = 2,550,971,902.80/x - Step 3: Cross multiply
4,485,889,534.80x = 6,728,834,302.20 × 2,550,971,902.80 - Step 4: Simplify right side
4,485,889,534.80x = 17,165,067,243,509,045,248 - Step 5: Solve for x
x = 17,165,067,243,509,045,248/4,485,889,534.80 - Step 6: Final answer
x = 3,826,457,854.20
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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.