Finding the Fourth Proportional to 706,752,449.20, 1,060,128,673.80 and 275,930,945.20
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Solution
The fourth proportional to 706,752,449.20, 1,060,128,673.80 and 275,930,945.20 is: 413,896,417.80
Step by Step Solution
- Step 1: Write the proportion equation
706,752,449.20 : 1,060,128,673.80 = 275,930,945.20 : x - Step 2: Convert to fraction form
706,752,449.20/1,060,128,673.80 = 275,930,945.20/x - Step 3: Cross multiply
706,752,449.20x = 1,060,128,673.80 × 275,930,945.20 - Step 4: Simplify right side
706,752,449.20x = 292,522,306,995,256,448 - Step 5: Solve for x
x = 292,522,306,995,256,448/706,752,449.20 - Step 6: Final answer
x = 413,896,417.80
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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.