Finding the Fourth Proportional to 8,083,549,502.25, 11,151,119,911.28 and 5,115,047,622.09
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Solution
The fourth proportional to 8,083,549,502.25, 11,151,119,911.28 and 5,115,047,622.09 is: 7,056,121,740.82
Step by Step Solution
- Step 1: Write the proportion equation
8,083,549,502.25 : 11,151,119,911.28 = 5,115,047,622.09 : x - Step 2: Convert to fraction form
8,083,549,502.25/11,151,119,911.28 = 5,115,047,622.09/x - Step 3: Cross multiply
8,083,549,502.25x = 11,151,119,911.28 × 5,115,047,622.09 - Step 4: Simplify right side
8,083,549,502.25x = 57,038,509,385,751,879,680 - Step 5: Solve for x
x = 57,038,509,385,751,879,680/8,083,549,502.25 - Step 6: Final answer
x = 7,056,121,740.82
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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.