Finding the Fourth Proportional to 1,395,872,206,144.40, 2,090,876,103,688.70 and 885,668,351,990.90
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Solution
The fourth proportional to 1,395,872,206,144.40, 2,090,876,103,688.70 and 885,668,351,990.90 is: 1,326,642,069,968.66
Step by Step Solution
- Step 1: Write the proportion equation
1,395,872,206,144.40 : 2,090,876,103,688.70 = 885,668,351,990.90 : x - Step 2: Convert to fraction form
1,395,872,206,144.40/2,090,876,103,688.70 = 885,668,351,990.90/x - Step 3: Cross multiply
1,395,872,206,144.40x = 2,090,876,103,688.70 × 885,668,351,990.90 - Step 4: Simplify right side
1,395,872,206,144.40x = 1,851,822,792,971,125,121,875,968 - Step 5: Solve for x
x = 1,851,822,792,971,125,121,875,968/1,395,872,206,144.40 - Step 6: Final answer
x = 1,326,642,069,968.66
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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.