Finding the Fourth Proportional to 1,687,806,963.60, 2,532,573,743.64 and 803,491,501.20
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Solution
The fourth proportional to 1,687,806,963.60, 2,532,573,743.64 and 803,491,501.20 is: 1,205,648,230.55
Step by Step Solution
- Step 1: Write the proportion equation
1,687,806,963.60 : 2,532,573,743.64 = 803,491,501.20 : x - Step 2: Convert to fraction form
1,687,806,963.60/2,532,573,743.64 = 803,491,501.20/x - Step 3: Cross multiply
1,687,806,963.60x = 2,532,573,743.64 × 803,491,501.20 - Step 4: Simplify right side
1,687,806,963.60x = 2,034,901,479,177,007,616 - Step 5: Solve for x
x = 2,034,901,479,177,007,616/1,687,806,963.60 - Step 6: Final answer
x = 1,205,648,230.55
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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.