Finding the Fourth Proportional to 307,419,744,517.35, 424,252,583,080.95 and 170,242,570,750.62
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Solution
The fourth proportional to 307,419,744,517.35, 424,252,583,080.95 and 170,242,570,750.62 is: 234,942,132,635.91
Step by Step Solution
- Step 1: Write the proportion equation
307,419,744,517.35 : 424,252,583,080.95 = 170,242,570,750.62 : x - Step 2: Convert to fraction form
307,419,744,517.35/424,252,583,080.95 = 170,242,570,750.62/x - Step 3: Cross multiply
307,419,744,517.35x = 424,252,583,080.95 × 170,242,570,750.62 - Step 4: Simplify right side
307,419,744,517.35x = 72,225,850,391,291,922,219,008 - Step 5: Solve for x
x = 72,225,850,391,291,922,219,008/307,419,744,517.35 - Step 6: Final answer
x = 234,942,132,635.91
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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.