Finding the Fourth Proportional to 946,769,159.64, 1,306,543,210.44 and 529,081,445.40
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Solution
The fourth proportional to 946,769,159.64, 1,306,543,210.44 and 529,081,445.40 is: 730,133,383.85
Step by Step Solution
- Step 1: Write the proportion equation
946,769,159.64 : 1,306,543,210.44 = 529,081,445.40 : x - Step 2: Convert to fraction form
946,769,159.64/1,306,543,210.44 = 529,081,445.40/x - Step 3: Cross multiply
946,769,159.64x = 1,306,543,210.44 × 529,081,445.40 - Step 4: Simplify right side
946,769,159.64x = 691,267,770,257,151,616 - Step 5: Solve for x
x = 691,267,770,257,151,616/946,769,159.64 - Step 6: Final answer
x = 730,133,383.85
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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.