Finding the Fourth Proportional to 352,579,803.20, 528,869,704.80 and 110,267,201.60
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Solution
The fourth proportional to 352,579,803.20, 528,869,704.80 and 110,267,201.60 is: 165,400,802.40
Step by Step Solution
- Step 1: Write the proportion equation
352,579,803.20 : 528,869,704.80 = 110,267,201.60 : x - Step 2: Convert to fraction form
352,579,803.20/528,869,704.80 = 110,267,201.60/x - Step 3: Cross multiply
352,579,803.20x = 528,869,704.80 × 110,267,201.60 - Step 4: Simplify right side
352,579,803.20x = 58,316,982,359,314,088 - Step 5: Solve for x
x = 58,316,982,359,314,088/352,579,803.20 - Step 6: Final answer
x = 165,400,802.40
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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.