Finding the Fourth Proportional to 8,880,520,391,579.60, 13,311,379,033,910 and 2,987,113,128,638.40
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Solution
The fourth proportional to 8,880,520,391,579.60, 13,311,379,033,910 and 2,987,113,128,638.40 is: 4,477,507,321,550.31
Step by Step Solution
- Step 1: Write the proportion equation
8,880,520,391,579.60 : 13,311,379,033,910 = 2,987,113,128,638.40 : x - Step 2: Convert to fraction form
8,880,520,391,579.60/13,311,379,033,910 = 2,987,113,128,638.40/x - Step 3: Cross multiply
8,880,520,391,579.60x = 13,311,379,033,910 × 2,987,113,128,638.40 - Step 4: Simplify right side
8,880,520,391,579.60x = 39,762,595,072,474,505,495,445,504 - Step 5: Solve for x
x = 39,762,595,072,474,505,495,445,504/8,880,520,391,579.60 - Step 6: Final answer
x = 4,477,507,321,550.31
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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.