Finding the Fourth Proportional to 761,952,556.68, 1,143,042,405.94 and 270,624,548.40
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Solution
The fourth proportional to 761,952,556.68, 1,143,042,405.94 and 270,624,548.40 is: 405,977,159.86
Step by Step Solution
- Step 1: Write the proportion equation
761,952,556.68 : 1,143,042,405.94 = 270,624,548.40 : x - Step 2: Convert to fraction form
761,952,556.68/1,143,042,405.94 = 270,624,548.40/x - Step 3: Cross multiply
761,952,556.68x = 1,143,042,405.94 × 270,624,548.40 - Step 4: Simplify right side
761,952,556.68x = 309,335,334,909,561,984 - Step 5: Solve for x
x = 309,335,334,909,561,984/761,952,556.68 - Step 6: Final answer
x = 405,977,159.86
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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.