Finding the Fourth Proportional to 307,419,744,466.40, 424,252,583,010.60 and 170,242,570,699.65
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Solution
The fourth proportional to 307,419,744,466.40, 424,252,583,010.60 and 170,242,570,699.65 is: 234,942,132,565.55
Step by Step Solution
- Step 1: Write the proportion equation
307,419,744,466.40 : 424,252,583,010.60 = 170,242,570,699.65 : x - Step 2: Convert to fraction form
307,419,744,466.40/424,252,583,010.60 = 170,242,570,699.65/x - Step 3: Cross multiply
307,419,744,466.40x = 424,252,583,010.60 × 170,242,570,699.65 - Step 4: Simplify right side
307,419,744,466.40x = 72,225,850,357,691,193,491,456 - Step 5: Solve for x
x = 72,225,850,357,691,193,491,456/307,419,744,466.40 - Step 6: Final answer
x = 234,942,132,565.55
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1.5x scale
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.