Finding the Fourth Proportional to 1,395,872,206,142.40, 2,090,876,103,685.60 and 885,668,351,988.90
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Solution
The fourth proportional to 1,395,872,206,142.40, 2,090,876,103,685.60 and 885,668,351,988.90 is: 1,326,642,069,965.60
Step by Step Solution
- Step 1: Write the proportion equation
1,395,872,206,142.40 : 2,090,876,103,685.60 = 885,668,351,988.90 : x - Step 2: Convert to fraction form
1,395,872,206,142.40/2,090,876,103,685.60 = 885,668,351,988.90/x - Step 3: Cross multiply
1,395,872,206,142.40x = 2,090,876,103,685.60 × 885,668,351,988.90 - Step 4: Simplify right side
1,395,872,206,142.40x = 1,851,822,792,964,197,876,498,432 - Step 5: Solve for x
x = 1,851,822,792,964,197,876,498,432/1,395,872,206,142.40 - Step 6: Final answer
x = 1,326,642,069,965.60
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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.