Finding the Fourth Proportional to 949,968,279.20, 1,424,952,418.80 and 567,762,327.20
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Solution
The fourth proportional to 949,968,279.20, 1,424,952,418.80 and 567,762,327.20 is: 851,643,490.80
Step by Step Solution
- Step 1: Write the proportion equation
949,968,279.20 : 1,424,952,418.80 = 567,762,327.20 : x - Step 2: Convert to fraction form
949,968,279.20/1,424,952,418.80 = 567,762,327.20/x - Step 3: Cross multiply
949,968,279.20x = 1,424,952,418.80 × 567,762,327.20 - Step 4: Simplify right side
949,968,279.20x = 809,034,301,447,157,120 - Step 5: Solve for x
x = 809,034,301,447,157,120/949,968,279.20 - Step 6: Final answer
x = 851,643,490.80
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Half scale
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Double scale
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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.