Finding the Fourth Proportional to 1,382,628,671.33, 1,908,175,431.20 and 847,135,712.00
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Solution
The fourth proportional to 1,382,628,671.33, 1,908,175,431.20 and 847,135,712.00 is: 1,169,137,879.21
Step by Step Solution
- Step 1: Write the proportion equation
1,382,628,671.33 : 1,908,175,431.20 = 847,135,712.00 : x - Step 2: Convert to fraction form
1,382,628,671.33/1,908,175,431.20 = 847,135,712.00/x - Step 3: Cross multiply
1,382,628,671.33x = 1,908,175,431.20 × 847,135,712.00 - Step 4: Simplify right side
1,382,628,671.33x = 1,616,483,552,531,053,824 - Step 5: Solve for x
x = 1,616,483,552,531,053,824/1,382,628,671.33 - Step 6: Final answer
x = 1,169,137,879.21
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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.