Finding the Fourth Proportional to 746,423,589.20, 1,119,635,383.80 and 201,165,123.20
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Solution
The fourth proportional to 746,423,589.20, 1,119,635,383.80 and 201,165,123.20 is: 301,747,684.80
Step by Step Solution
- Step 1: Write the proportion equation
746,423,589.20 : 1,119,635,383.80 = 201,165,123.20 : x - Step 2: Convert to fraction form
746,423,589.20/1,119,635,383.80 = 201,165,123.20/x - Step 3: Cross multiply
746,423,589.20x = 1,119,635,383.80 × 201,165,123.20 - Step 4: Simplify right side
746,423,589.20x = 225,231,589,921,206,272 - Step 5: Solve for x
x = 225,231,589,921,206,272/746,423,589.20 - Step 6: Final answer
x = 301,747,684.80
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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.