Finding the Fourth Proportional to 361,118,259.21, 498,495,749.49 and 243,802,494.44
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Solution
The fourth proportional to 361,118,259.21, 498,495,749.49 and 243,802,494.44 is: 336,550,434.91
Step by Step Solution
- Step 1: Write the proportion equation
361,118,259.21 : 498,495,749.49 = 243,802,494.44 : x - Step 2: Convert to fraction form
361,118,259.21/498,495,749.49 = 243,802,494.44/x - Step 3: Cross multiply
361,118,259.21x = 498,495,749.49 × 243,802,494.44 - Step 4: Simplify right side
361,118,259.21x = 121,534,507,190,906,880 - Step 5: Solve for x
x = 121,534,507,190,906,880/361,118,259.21 - Step 6: Final answer
x = 336,550,434.91
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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.