Finding the Fourth Proportional to 6,318,374,752.21, 8,719,631,244.60 and 3,498,982,677.97
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Solution
The fourth proportional to 6,318,374,752.21, 8,719,631,244.60 and 3,498,982,677.97 is: 4,828,747,878.94
Step by Step Solution
- Step 1: Write the proportion equation
6,318,374,752.21 : 8,719,631,244.60 = 3,498,982,677.97 : x - Step 2: Convert to fraction form
6,318,374,752.21/8,719,631,244.60 = 3,498,982,677.97/x - Step 3: Cross multiply
6,318,374,752.21x = 8,719,631,244.60 × 3,498,982,677.97 - Step 4: Simplify right side
6,318,374,752.21x = 30,509,838,683,107,348,480 - Step 5: Solve for x
x = 30,509,838,683,107,348,480/6,318,374,752.21 - Step 6: Final answer
x = 4,828,747,878.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.