Finding the Fourth Proportional to 730,734,170.80, 1,096,101,256.20 and 575,765,975.20
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Solution
The fourth proportional to 730,734,170.80, 1,096,101,256.20 and 575,765,975.20 is: 863,648,962.80
Step by Step Solution
- Step 1: Write the proportion equation
730,734,170.80 : 1,096,101,256.20 = 575,765,975.20 : x - Step 2: Convert to fraction form
730,734,170.80/1,096,101,256.20 = 575,765,975.20/x - Step 3: Cross multiply
730,734,170.80x = 1,096,101,256.20 × 575,765,975.20 - Step 4: Simplify right side
730,734,170.80x = 631,097,808,693,938,176 - Step 5: Solve for x
x = 631,097,808,693,938,176/730,734,170.80 - Step 6: Final answer
x = 863,648,962.80
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.