Finding the Fourth Proportional to 293,497,887.20, 440,246,830.80 and 166,095,903.20
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Solution
The fourth proportional to 293,497,887.20, 440,246,830.80 and 166,095,903.20 is: 249,143,854.80
Step by Step Solution
- Step 1: Write the proportion equation
293,497,887.20 : 440,246,830.80 = 166,095,903.20 : x - Step 2: Convert to fraction form
293,497,887.20/440,246,830.80 = 166,095,903.20/x - Step 3: Cross multiply
293,497,887.20x = 440,246,830.80 × 166,095,903.20 - Step 4: Simplify right side
293,497,887.20x = 73,123,194,992,663,568 - Step 5: Solve for x
x = 73,123,194,992,663,568/293,497,887.20 - Step 6: Final answer
x = 249,143,854.80
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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.