Finding the Fourth Proportional to 361,118,270.45, 498,495,765.00 and 243,802,505.68
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Solution
The fourth proportional to 361,118,270.45, 498,495,765.00 and 243,802,505.68 is: 336,550,450.43
Step by Step Solution
- Step 1: Write the proportion equation
361,118,270.45 : 498,495,765.00 = 243,802,505.68 : x - Step 2: Convert to fraction form
361,118,270.45/498,495,765.00 = 243,802,505.68/x - Step 3: Cross multiply
361,118,270.45x = 498,495,765.00 × 243,802,505.68 - Step 4: Simplify right side
361,118,270.45x = 121,534,516,577,536,480 - Step 5: Solve for x
x = 121,534,516,577,536,480/361,118,270.45 - Step 6: Final answer
x = 336,550,450.43
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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.