Finding the Fourth Proportional to 5,752,590,218,372.80, 7,938,511,258,546 and 3,115,748,928,648.40
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Solution
The fourth proportional to 5,752,590,218,372.80, 7,938,511,258,546 and 3,115,748,928,648.40 is: 4,299,699,267,623.90
Step by Step Solution
- Step 1: Write the proportion equation
5,752,590,218,372.80 : 7,938,511,258,546 = 3,115,748,928,648.40 : x - Step 2: Convert to fraction form
5,752,590,218,372.80/7,938,511,258,546 = 3,115,748,928,648.40/x - Step 3: Cross multiply
5,752,590,218,372.80x = 7,938,511,258,546 × 3,115,748,928,648.40 - Step 4: Simplify right side
5,752,590,218,372.80x = 24,734,407,948,877,961,279,569,920 - Step 5: Solve for x
x = 24,734,407,948,877,961,279,569,920/5,752,590,218,372.80 - Step 6: Final answer
x = 4,299,699,267,623.90
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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.