Finding the Fourth Proportional to 2,816,635,646.20, 4,224,953,469.30 and 2,697,214,948.60
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Solution
The fourth proportional to 2,816,635,646.20, 4,224,953,469.30 and 2,697,214,948.60 is: 4,045,822,422.90
Step by Step Solution
- Step 1: Write the proportion equation
2,816,635,646.20 : 4,224,953,469.30 = 2,697,214,948.60 : x - Step 2: Convert to fraction form
2,816,635,646.20/4,224,953,469.30 = 2,697,214,948.60/x - Step 3: Cross multiply
2,816,635,646.20x = 4,224,953,469.30 × 2,697,214,948.60 - Step 4: Simplify right side
2,816,635,646.20x = 11,395,607,654,535,391,232 - Step 5: Solve for x
x = 11,395,607,654,535,391,232/2,816,635,646.20 - Step 6: Final answer
x = 4,045,822,422.90
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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.