Finding the Fourth Proportional to 798,581,850.53, 1,102,022,650.80 and 446,160,488.00
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Solution
The fourth proportional to 798,581,850.53, 1,102,022,650.80 and 446,160,488.00 is: 615,690,130.37
Step by Step Solution
- Step 1: Write the proportion equation
798,581,850.53 : 1,102,022,650.80 = 446,160,488.00 : x - Step 2: Convert to fraction form
798,581,850.53/1,102,022,650.80 = 446,160,488.00/x - Step 3: Cross multiply
798,581,850.53x = 1,102,022,650.80 × 446,160,488.00 - Step 4: Simplify right side
798,581,850.53x = 491,678,963,662,471,488 - Step 5: Solve for x
x = 491,678,963,662,471,488/798,581,850.53 - Step 6: Final answer
x = 615,690,130.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.