Finding the Fourth Proportional to 460,380,648.12, 635,317,879.98 and 251,532,306.36
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Solution
The fourth proportional to 460,380,648.12, 635,317,879.98 and 251,532,306.36 is: 347,110,531.85
Step by Step Solution
- Step 1: Write the proportion equation
460,380,648.12 : 635,317,879.98 = 251,532,306.36 : x - Step 2: Convert to fraction form
460,380,648.12/635,317,879.98 = 251,532,306.36/x - Step 3: Cross multiply
460,380,648.12x = 635,317,879.98 × 251,532,306.36 - Step 4: Simplify right side
460,380,648.12x = 159,802,971,623,115,072 - Step 5: Solve for x
x = 159,802,971,623,115,072/460,380,648.12 - Step 6: Final answer
x = 347,110,531.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.