Finding the Fourth Proportional to 597,994,490.70, 896,991,736.05 and 516,205,720.80
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Solution
The fourth proportional to 597,994,490.70, 896,991,736.05 and 516,205,720.80 is: 774,308,581.20
Step by Step Solution
- Step 1: Write the proportion equation
597,994,490.70 : 896,991,736.05 = 516,205,720.80 : x - Step 2: Convert to fraction form
597,994,490.70/896,991,736.05 = 516,205,720.80/x - Step 3: Cross multiply
597,994,490.70x = 896,991,736.05 × 516,205,720.80 - Step 4: Simplify right side
597,994,490.70x = 463,032,265,659,333,568 - Step 5: Solve for x
x = 463,032,265,659,333,568/597,994,490.70 - Step 6: Final answer
x = 774,308,581.20
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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.