Finding the Fourth Proportional to 906,984,114.60, 1,360,476,171.90 and 293,630,341.80
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Solution
The fourth proportional to 906,984,114.60, 1,360,476,171.90 and 293,630,341.80 is: 440,445,512.70
Step by Step Solution
- Step 1: Write the proportion equation
906,984,114.60 : 1,360,476,171.90 = 293,630,341.80 : x - Step 2: Convert to fraction form
906,984,114.60/1,360,476,171.90 = 293,630,341.80/x - Step 3: Cross multiply
906,984,114.60x = 1,360,476,171.90 × 293,630,341.80 - Step 4: Simplify right side
906,984,114.60x = 399,477,083,365,752,576 - Step 5: Solve for x
x = 399,477,083,365,752,576/906,984,114.60 - Step 6: Final answer
x = 440,445,512.70
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Similar ratio
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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.