Finding the Fourth Proportional to 651,261,203.40, 914,184,331.80 and 651,261,203.40
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Solution
The fourth proportional to 651,261,203.40, 914,184,331.80 and 651,261,203.40 is: 914,184,331.80
Step by Step Solution
- Step 1: Write the proportion equation
651,261,203.40 : 914,184,331.80 = 651,261,203.40 : x - Step 2: Convert to fraction form
651,261,203.40/914,184,331.80 = 651,261,203.40/x - Step 3: Cross multiply
651,261,203.40x = 914,184,331.80 × 651,261,203.40 - Step 4: Simplify right side
651,261,203.40x = 595,372,788,057,492,864 - Step 5: Solve for x
x = 595,372,788,057,492,864/651,261,203.40 - Step 6: Final answer
x = 914,184,331.80
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.