Finding the Fourth Proportional to 621,486,693,860.13, 857,642,584,590.95 and 347,136,250,219.65
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Solution
The fourth proportional to 621,486,693,860.13, 857,642,584,590.95 and 347,136,250,219.65 is: 479,042,968,714.94
Step by Step Solution
- Step 1: Write the proportion equation
621,486,693,860.13 : 857,642,584,590.95 = 347,136,250,219.65 : x - Step 2: Convert to fraction form
621,486,693,860.13/857,642,584,590.95 = 347,136,250,219.65/x - Step 3: Cross multiply
621,486,693,860.13x = 857,642,584,590.95 × 347,136,250,219.65 - Step 4: Simplify right side
621,486,693,860.13x = 297,718,830,843,591,376,502,784 - Step 5: Solve for x
x = 297,718,830,843,591,376,502,784/621,486,693,860.13 - Step 6: Final answer
x = 479,042,968,714.94
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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.