Finding the Fourth Proportional to 462,241,283.70, 693,361,925.55 and 155,431,427.70
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Solution
The fourth proportional to 462,241,283.70, 693,361,925.55 and 155,431,427.70 is: 233,147,141.55
Step by Step Solution
- Step 1: Write the proportion equation
462,241,283.70 : 693,361,925.55 = 155,431,427.70 : x - Step 2: Convert to fraction form
462,241,283.70/693,361,925.55 = 155,431,427.70/x - Step 3: Cross multiply
462,241,283.70x = 693,361,925.55 × 155,431,427.70 - Step 4: Simplify right side
462,241,283.70x = 107,770,234,001,057,600 - Step 5: Solve for x
x = 107,770,234,001,057,600/462,241,283.70 - Step 6: Final answer
x = 233,147,141.55
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1.5x scale
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.