Finding the Fourth Proportional to 1,738,512,694.20, 2,606,873,246.10 and 647,434,140.60
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Solution
The fourth proportional to 1,738,512,694.20, 2,606,873,246.10 and 647,434,140.60 is: 970,817,610.58
Step by Step Solution
- Step 1: Write the proportion equation
1,738,512,694.20 : 2,606,873,246.10 = 647,434,140.60 : x - Step 2: Convert to fraction form
1,738,512,694.20/2,606,873,246.10 = 647,434,140.60/x - Step 3: Cross multiply
1,738,512,694.20x = 2,606,873,246.10 × 647,434,140.60 - Step 4: Simplify right side
1,738,512,694.20x = 1,687,778,739,741,885,696 - Step 5: Solve for x
x = 1,687,778,739,741,885,696/1,738,512,694.20 - Step 6: Final answer
x = 970,817,610.58
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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.