Finding the Fourth Proportional to 351,372,126.60, 484,610,798.88 and 308,894,863.68
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Solution
The fourth proportional to 351,372,126.60, 484,610,798.88 and 308,894,863.68 is: 426,026,355.89
Step by Step Solution
- Step 1: Write the proportion equation
351,372,126.60 : 484,610,798.88 = 308,894,863.68 : x - Step 2: Convert to fraction form
351,372,126.60/484,610,798.88 = 308,894,863.68/x - Step 3: Cross multiply
351,372,126.60x = 484,610,798.88 × 308,894,863.68 - Step 4: Simplify right side
351,372,126.60x = 149,693,786,657,893,504 - Step 5: Solve for x
x = 149,693,786,657,893,504/351,372,126.60 - Step 6: Final answer
x = 426,026,355.89
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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.