Finding the Fourth Proportional to 898,641,609.80, 1,347,962,414.70 and 735,382,934.60
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Solution
The fourth proportional to 898,641,609.80, 1,347,962,414.70 and 735,382,934.60 is: 1,103,074,401.90
Step by Step Solution
- Step 1: Write the proportion equation
898,641,609.80 : 1,347,962,414.70 = 735,382,934.60 : x - Step 2: Convert to fraction form
898,641,609.80/1,347,962,414.70 = 735,382,934.60/x - Step 3: Cross multiply
898,641,609.80x = 1,347,962,414.70 × 735,382,934.60 - Step 4: Simplify right side
898,641,609.80x = 991,268,556,252,588,288 - Step 5: Solve for x
x = 991,268,556,252,588,288/898,641,609.80 - Step 6: Final answer
x = 1,103,074,401.90
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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.