Finding the Fourth Proportional to 549,763,549.09, 823,541,201.47 and 254,244,446.31
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Solution
The fourth proportional to 549,763,549.09, 823,541,201.47 and 254,244,446.31 is: 380,856,055.53
Step by Step Solution
- Step 1: Write the proportion equation
549,763,549.09 : 823,541,201.47 = 254,244,446.31 : x - Step 2: Convert to fraction form
549,763,549.09/823,541,201.47 = 254,244,446.31/x - Step 3: Cross multiply
549,763,549.09x = 823,541,201.47 × 254,244,446.31 - Step 4: Simplify right side
549,763,549.09x = 209,380,776,781,212,320 - Step 5: Solve for x
x = 209,380,776,781,212,320/549,763,549.09 - Step 6: Final answer
x = 380,856,055.53
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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.