Finding the Fourth Proportional to 8,562,841,953.12, 11,821,788,107.64 and 5,393,742,354.72
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Solution
The fourth proportional to 8,562,841,953.12, 11,821,788,107.64 and 5,393,742,354.72 is: 7,446,555,661.52
Step by Step Solution
- Step 1: Write the proportion equation
8,562,841,953.12 : 11,821,788,107.64 = 5,393,742,354.72 : x - Step 2: Convert to fraction form
8,562,841,953.12/11,821,788,107.64 = 5,393,742,354.72/x - Step 3: Cross multiply
8,562,841,953.12x = 11,821,788,107.64 × 5,393,742,354.72 - Step 4: Simplify right side
8,562,841,953.12x = 63,763,679,224,703,066,112 - Step 5: Solve for x
x = 63,763,679,224,703,066,112/8,562,841,953.12 - Step 6: Final answer
x = 7,446,555,661.52
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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.