Finding the Fourth Proportional to 732,261,962.96, 1,009,936,810.06 and 481,623,660.14
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Solution
The fourth proportional to 732,261,962.96, 1,009,936,810.06 and 481,623,660.14 is: 664,256,082.63
Step by Step Solution
- Step 1: Write the proportion equation
732,261,962.96 : 1,009,936,810.06 = 481,623,660.14 : x - Step 2: Convert to fraction form
732,261,962.96/1,009,936,810.06 = 481,623,660.14/x - Step 3: Cross multiply
732,261,962.96x = 1,009,936,810.06 × 481,623,660.14 - Step 4: Simplify right side
732,261,962.96x = 486,409,462,971,213,120 - Step 5: Solve for x
x = 486,409,462,971,213,120/732,261,962.96 - Step 6: Final answer
x = 664,256,082.63
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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.