Finding the Fourth Proportional to 625,305,364.96, 863,024,898 and 346,936,568.80
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Solution
The fourth proportional to 625,305,364.96, 863,024,898 and 346,936,568.80 is: 478,829,886.45
Step by Step Solution
- Step 1: Write the proportion equation
625,305,364.96 : 863,024,898 = 346,936,568.80 : x - Step 2: Convert to fraction form
625,305,364.96/863,024,898 = 346,936,568.80/x - Step 3: Cross multiply
625,305,364.96x = 863,024,898 × 346,936,568.80 - Step 4: Simplify right side
625,305,364.96x = 299,414,896,901,089,984 - Step 5: Solve for x
x = 299,414,896,901,089,984/625,305,364.96 - Step 6: Final answer
x = 478,829,886.45
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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.