Finding the Fourth Proportional to 398,422,565.79, 597,588,960.51 and 107,310,995.79
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Solution
The fourth proportional to 398,422,565.79, 597,588,960.51 and 107,310,995.79 is: 160,954,403.52
Step by Step Solution
- Step 1: Write the proportion equation
398,422,565.79 : 597,588,960.51 = 107,310,995.79 : x - Step 2: Convert to fraction form
398,422,565.79/597,588,960.51 = 107,310,995.79/x - Step 3: Cross multiply
398,422,565.79x = 597,588,960.51 × 107,310,995.79 - Step 4: Simplify right side
398,422,565.79x = 64,127,866,425,439,088 - Step 5: Solve for x
x = 64,127,866,425,439,088/398,422,565.79 - Step 6: Final answer
x = 160,954,403.52
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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.