Finding the Fourth Proportional to 1,738,513,082.20, 2,606,873,828.10 and 647,434,528.60
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Solution
The fourth proportional to 1,738,513,082.20, 2,606,873,828.10 and 647,434,528.60 is: 970,818,192.45
Step by Step Solution
- Step 1: Write the proportion equation
1,738,513,082.20 : 2,606,873,828.10 = 647,434,528.60 : x - Step 2: Convert to fraction form
1,738,513,082.20/2,606,873,828.10 = 647,434,528.60/x - Step 3: Cross multiply
1,738,513,082.20x = 2,606,873,828.10 × 647,434,528.60 - Step 4: Simplify right side
1,738,513,082.20x = 1,687,780,128,015,600,896 - Step 5: Solve for x
x = 1,687,780,128,015,600,896/1,738,513,082.20 - Step 6: Final answer
x = 970,818,192.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.