Finding the Fourth Proportional to 1,168,904,533,455.60, 1,752,129,430,826 and 393,287,515,509.06
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Solution
The fourth proportional to 1,168,904,533,455.60, 1,752,129,430,826 and 393,287,515,509.06 is: 589,518,314,778.64
Step by Step Solution
- Step 1: Write the proportion equation
1,168,904,533,455.60 : 1,752,129,430,826 = 393,287,515,509.06 : x - Step 2: Convert to fraction form
1,168,904,533,455.60/1,752,129,430,826 = 393,287,515,509.06/x - Step 3: Cross multiply
1,168,904,533,455.60x = 1,752,129,430,826 × 393,287,515,509.06 - Step 4: Simplify right side
1,168,904,533,455.60x = 689,090,630,699,860,923,252,736 - Step 5: Solve for x
x = 689,090,630,699,860,923,252,736/1,168,904,533,455.60 - Step 6: Final answer
x = 589,518,314,778.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.