Finding the Fourth Proportional to 589,032,014.40, 883,548,021.60 and 201,292,660.80
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Solution
The fourth proportional to 589,032,014.40, 883,548,021.60 and 201,292,660.80 is: 301,938,991.20
Step by Step Solution
- Step 1: Write the proportion equation
589,032,014.40 : 883,548,021.60 = 201,292,660.80 : x - Step 2: Convert to fraction form
589,032,014.40/883,548,021.60 = 201,292,660.80/x - Step 3: Cross multiply
589,032,014.40x = 883,548,021.60 × 201,292,660.80 - Step 4: Simplify right side
589,032,014.40x = 177,851,732,212,439,904 - Step 5: Solve for x
x = 177,851,732,212,439,904/589,032,014.40 - Step 6: Final answer
x = 301,938,991.20
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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.