Finding the Fourth Proportional to 302,331,419,138.40, 453,497,128,707.60 and 92,924,958,415.20
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Solution
The fourth proportional to 302,331,419,138.40, 453,497,128,707.60 and 92,924,958,415.20 is: 139,387,437,622.80
Step by Step Solution
- Step 1: Write the proportion equation
302,331,419,138.40 : 453,497,128,707.60 = 92,924,958,415.20 : x - Step 2: Convert to fraction form
302,331,419,138.40/453,497,128,707.60 = 92,924,958,415.20/x - Step 3: Cross multiply
302,331,419,138.40x = 453,497,128,707.60 × 92,924,958,415.20 - Step 4: Simplify right side
302,331,419,138.40x = 42,141,201,826,566,327,238,656 - Step 5: Solve for x
x = 42,141,201,826,566,327,238,656/302,331,419,138.40 - Step 6: Final answer
x = 139,387,437,622.80
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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.