Finding the Fourth Proportional to 278,337,176.37, 417,503,106.09 and 169,192,482.21
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Solution
The fourth proportional to 278,337,176.37, 417,503,106.09 and 169,192,482.21 is: 253,787,107.32
Step by Step Solution
- Step 1: Write the proportion equation
278,337,176.37 : 417,503,106.09 = 169,192,482.21 : x - Step 2: Convert to fraction form
278,337,176.37/417,503,106.09 = 169,192,482.21/x - Step 3: Cross multiply
278,337,176.37x = 417,503,106.09 × 169,192,482.21 - Step 4: Simplify right side
278,337,176.37x = 70,638,386,849,752,064 - Step 5: Solve for x
x = 70,638,386,849,752,064/278,337,176.37 - Step 6: Final answer
x = 253,787,107.32
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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.