Finding the Fourth Proportional to 799,615,373.92, 1,199,449,612.08 and 274,979,329.12
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Solution
The fourth proportional to 799,615,373.92, 1,199,449,612.08 and 274,979,329.12 is: 412,478,124.36
Step by Step Solution
- Step 1: Write the proportion equation
799,615,373.92 : 1,199,449,612.08 = 274,979,329.12 : x - Step 2: Convert to fraction form
799,615,373.92/1,199,449,612.08 = 274,979,329.12/x - Step 3: Cross multiply
799,615,373.92x = 1,199,449,612.08 × 274,979,329.12 - Step 4: Simplify right side
799,615,373.92x = 329,823,849,643,002,624 - Step 5: Solve for x
x = 329,823,849,643,002,624/799,615,373.92 - Step 6: Final answer
x = 412,478,124.36
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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.