Finding the Fourth Proportional to 968,431,202.70, 1,336,324,697.16 and 544,963,070.70
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Solution
The fourth proportional to 968,431,202.70, 1,336,324,697.16 and 544,963,070.70 is: 751,986,933.49
Step by Step Solution
- Step 1: Write the proportion equation
968,431,202.70 : 1,336,324,697.16 = 544,963,070.70 : x - Step 2: Convert to fraction form
968,431,202.70/1,336,324,697.16 = 544,963,070.70/x - Step 3: Cross multiply
968,431,202.70x = 1,336,324,697.16 × 544,963,070.70 - Step 4: Simplify right side
968,431,202.70x = 728,247,610,416,561,280 - Step 5: Solve for x
x = 728,247,610,416,561,280/968,431,202.70 - Step 6: Final answer
x = 751,986,933.49
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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.