Finding the Fourth Proportional to 1,611,577,023.60, 2,417,365,535.40 and 576,471,673.20
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Solution
The fourth proportional to 1,611,577,023.60, 2,417,365,535.40 and 576,471,673.20 is: 864,707,509.80
Step by Step Solution
- Step 1: Write the proportion equation
1,611,577,023.60 : 2,417,365,535.40 = 576,471,673.20 : x - Step 2: Convert to fraction form
1,611,577,023.60/2,417,365,535.40 = 576,471,673.20/x - Step 3: Cross multiply
1,611,577,023.60x = 2,417,365,535.40 × 576,471,673.20 - Step 4: Simplify right side
1,611,577,023.60x = 1,393,542,754,928,051,968 - Step 5: Solve for x
x = 1,393,542,754,928,051,968/1,611,577,023.60 - Step 6: Final answer
x = 864,707,509.80
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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.