Finding the Fourth Proportional to 4,173,120,213.60, 6,259,680,320.40 and 3,132,346,159.20
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Solution
The fourth proportional to 4,173,120,213.60, 6,259,680,320.40 and 3,132,346,159.20 is: 4,698,519,238.80
Step by Step Solution
- Step 1: Write the proportion equation
4,173,120,213.60 : 6,259,680,320.40 = 3,132,346,159.20 : x - Step 2: Convert to fraction form
4,173,120,213.60/6,259,680,320.40 = 3,132,346,159.20/x - Step 3: Cross multiply
4,173,120,213.60x = 6,259,680,320.40 × 3,132,346,159.20 - Step 4: Simplify right side
4,173,120,213.60x = 19,607,485,609,424,764,928 - Step 5: Solve for x
x = 19,607,485,609,424,764,928/4,173,120,213.60 - Step 6: Final answer
x = 4,698,519,238.80
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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.