Finding the Fourth Proportional to 490,792,088,987.84, 736,261,743,670.68 and 172,382,166,287.48
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Solution
The fourth proportional to 490,792,088,987.84, 736,261,743,670.68 and 172,382,166,287.48 is: 258,599,103,726.98
Step by Step Solution
- Step 1: Write the proportion equation
490,792,088,987.84 : 736,261,743,670.68 = 172,382,166,287.48 : x - Step 2: Convert to fraction form
490,792,088,987.84/736,261,743,670.68 = 172,382,166,287.48/x - Step 3: Cross multiply
490,792,088,987.84x = 736,261,743,670.68 × 172,382,166,287.48 - Step 4: Simplify right side
490,792,088,987.84x = 126,918,394,328,549,146,230,784 - Step 5: Solve for x
x = 126,918,394,328,549,146,230,784/490,792,088,987.84 - Step 6: Final answer
x = 258,599,103,726.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.