Finding the Fourth Proportional to 252,604,813.80, 378,907,220.70 and 233,709,133.80
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Solution
The fourth proportional to 252,604,813.80, 378,907,220.70 and 233,709,133.80 is: 350,563,700.70
Step by Step Solution
- Step 1: Write the proportion equation
252,604,813.80 : 378,907,220.70 = 233,709,133.80 : x - Step 2: Convert to fraction form
252,604,813.80/378,907,220.70 = 233,709,133.80/x - Step 3: Cross multiply
252,604,813.80x = 378,907,220.70 × 233,709,133.80 - Step 4: Simplify right side
252,604,813.80x = 88,554,078,340,362,432 - Step 5: Solve for x
x = 88,554,078,340,362,432/252,604,813.80 - Step 6: Final answer
x = 350,563,700.70
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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.