Finding the Fourth Proportional to 1,576,352,638.40, 2,364,528,957.60 and 995,877,348.80
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Solution
The fourth proportional to 1,576,352,638.40, 2,364,528,957.60 and 995,877,348.80 is: 1,493,816,023.20
Step by Step Solution
- Step 1: Write the proportion equation
1,576,352,638.40 : 2,364,528,957.60 = 995,877,348.80 : x - Step 2: Convert to fraction form
1,576,352,638.40/2,364,528,957.60 = 995,877,348.80/x - Step 3: Cross multiply
1,576,352,638.40x = 2,364,528,957.60 × 995,877,348.80 - Step 4: Simplify right side
1,576,352,638.40x = 2,354,780,829,455,515,648 - Step 5: Solve for x
x = 2,354,780,829,455,515,648/1,576,352,638.40 - Step 6: Final answer
x = 1,493,816,023.20
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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.