Finding the Fourth Proportional to 315,765,906.64, 435,734,829.98 and 183,597,526.44
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Solution
The fourth proportional to 315,765,906.64, 435,734,829.98 and 183,597,526.44 is: 253,351,724.45
Step by Step Solution
- Step 1: Write the proportion equation
315,765,906.64 : 435,734,829.98 = 183,597,526.44 : x - Step 2: Convert to fraction form
315,765,906.64/435,734,829.98 = 183,597,526.44/x - Step 3: Cross multiply
315,765,906.64x = 435,734,829.98 × 183,597,526.44 - Step 4: Simplify right side
315,765,906.64x = 79,999,836,967,852,448 - Step 5: Solve for x
x = 79,999,836,967,852,448/315,765,906.64 - Step 6: Final answer
x = 253,351,724.45
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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.