Finding the Fourth Proportional to 280,883,079.63, 387,619,287.62 and 155,444,403.19
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Solution
The fourth proportional to 280,883,079.63, 387,619,287.62 and 155,444,403.19 is: 214,513,629.33
Step by Step Solution
- Step 1: Write the proportion equation
280,883,079.63 : 387,619,287.62 = 155,444,403.19 : x - Step 2: Convert to fraction form
280,883,079.63/387,619,287.62 = 155,444,403.19/x - Step 3: Cross multiply
280,883,079.63x = 387,619,287.62 × 155,444,403.19 - Step 4: Simplify right side
280,883,079.63x = 60,253,248,829,023,856 - Step 5: Solve for x
x = 60,253,248,829,023,856/280,883,079.63 - Step 6: Final answer
x = 214,513,629.33
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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.